Recorded price history USD Listing start period All years 5 years 1 year
Recorded US-dollar price history Logarithmic price scale (price + 1). Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months. 0 1 10 100 1000 Mar 2017 Jul 2019 Nov 2021 Mar 2024 Jul 2026 2017-03-29: US$99.00; no sale recorded 2017-04-20: US$139.00; sold recorded 2017-04-25: US$278.58; sold recorded 2017-04-28: US$99.00; no sale recorded 2017-07-27: US$99.00; no sale recorded 2017-08-26: US$99.00; no sale recorded 2017-09-25: US$99.00; no sale recorded 2017-10-04: US$80.00; no sale recorded 2017-10-26: US$99.00; no sale recorded 2017-10-27: US$118.75; no sale recorded 2017-12-11: US$258.96; sold recorded 2018-01-26: US$125.00; no sale recorded 2018-02-24: US$99.00; no sale recorded 2018-03-26: US$99.00; no sale recorded 2018-03-28: US$118.75; no sale recorded 2018-04-26: US$99.00; no sale recorded 2018-04-27: US$118.75; no sale recorded 2018-05-26: US$99.00; no sale recorded 2018-05-28: US$125.00; no sale recorded 2018-06-19: US$136.00; sold recorded 2018-06-27: US$125.00; no sale recorded 2018-07-01: US$99.00; no sale recorded 2018-08-13: US$79.00; no sale recorded 2018-08-15: US$200.00; no sale recorded 2018-09-01: US$99.00; no sale recorded 2018-09-04: US$118.75; no sale recorded 2018-10-01: US$99.00; no sale recorded 2018-10-04: US$118.75; no sale recorded 2018-10-20: US$200.00; no sale recorded 2019-01-15: US$79.00; no sale recorded 2019-10-24: US$265.00; no sale recorded 2019-10-24: US$264.00; no sale recorded 2019-10-28: US$58.50; no sale recorded 2019-11-08: US$105.00; no sale recorded 2019-12-24: US$210.00; no sale recorded 2019-12-27: US$267.88; no sale recorded 2019-12-27: US$267.88; no sale recorded 2019-12-27: US$265.00; no sale recorded 2019-12-27: US$271.39; no sale recorded 2020-01-09: US$264.21; no sale recorded 2020-01-09: US$265.25; no sale recorded 2020-01-10: US$264.56; no sale recorded 2020-01-10: US$264.83; no sale recorded 2020-02-20: US$264.00; no sale recorded 2020-03-12: US$57.99; no sale recorded 2020-05-14: US$189.99; no sale recorded 2020-07-07: US$40.04; no sale recorded 2020-07-28: US$263.40; no sale recorded 2020-07-29: US$262.95; no sale recorded 2020-07-30: US$260.99; no sale recorded 2020-07-30: US$261.56; no sale recorded 2020-07-30: US$261.21; no sale recorded 2020-09-08: US$258.49; no sale recorded 2020-10-19: US$298.00; no sale recorded 2020-11-03: US$186.00; no sale recorded 2020-11-11: US$258.49; no sale recorded 2020-12-01: US$251.22; no sale recorded 2020-12-01: US$251.57; no sale recorded 2020-12-01: US$251.00; no sale recorded 2020-12-01: US$252.96; no sale recorded 2020-12-01: US$253.41; no sale recorded 2020-12-01: US$254.84; no sale recorded 2020-12-01: US$253.86; no sale recorded 2021-01-15: US$287.00; no sale recorded 2021-01-25: US$335.00; no sale recorded 2021-01-26: US$50.00; no sale recorded 2021-02-17: US$8.00; sold recorded 2021-03-02: US$244.18; no sale recorded 2021-03-02: US$242.79; no sale recorded 2021-03-02: US$246.06; no sale recorded 2021-03-02: US$245.08; no sale recorded 2021-03-02: US$242.44; no sale recorded 2021-04-05: US$28.96; no sale recorded 2021-04-12: US$94.92; no sale recorded 2021-04-30: US$149.99; no sale recorded 2021-05-09: US$28.64; no sale recorded 2021-05-13: US$109.99; no sale recorded 2021-06-10: US$10.00; no sale recorded 2022-01-10: US$137.82; no sale recorded 2022-01-12: US$101.89; no sale recorded 2022-01-17: US$270.70; no sale recorded 2022-01-17: US$267.35; no sale recorded 2022-01-18: US$268.50; no sale recorded 2022-01-18: US$270.65; no sale recorded 2022-02-10: US$48.99; sold recorded 2022-02-22: US$281.16; no sale recorded 2022-02-25: US$280.26; no sale recorded 2022-03-01: US$282.60; no sale recorded 2022-03-03: US$100.00; no sale recorded 2022-03-03: US$282.78; no sale recorded 2022-03-03: US$345.00; no sale recorded 2022-03-18: US$281.88; no sale recorded 2022-04-05: US$315.00; no sale recorded 2022-04-06: US$280.98; no sale recorded 2022-04-06: US$398.31; no sale recorded 2022-04-14: US$100.00; no sale recorded 2022-04-14: US$211.00; no sale recorded 2022-05-03: US$213.00; no sale recorded 2022-05-23: US$282.42; no sale recorded 2022-05-23: US$280.62; no sale recorded 2022-05-23: US$281.70; no sale recorded 2022-05-23: US$282.06; no sale recorded 2022-05-23: US$281.52; no sale recorded 2022-05-23: US$280.80; no sale recorded 2022-06-01: US$125.00; no sale recorded 2022-06-03: US$74.99; sold recorded 2022-06-08: US$125.00; no sale recorded 2022-06-14: US$121.44; no sale recorded 2022-06-15: US$125.00; sold recorded 2022-06-27: US$277.60; no sale recorded 2022-06-28: US$695.00; sold recorded 2022-07-11: US$61.09; no sale recorded 2022-07-13: US$167.87; sold recorded 2022-07-22: US$249.84; no sale recorded 2022-07-27: US$281.16; no sale recorded 2022-08-08: US$282.78; no sale recorded 2022-08-12: US$345.00; no sale recorded 2022-08-13: US$315.00; no sale recorded 2022-08-13: US$211.00; no sale recorded 2022-08-14: US$213.00; no sale recorded 2022-09-16: US$149.99; no sale recorded 2022-09-20: US$281.31; no sale recorded 2022-10-26: US$125.04; no sale recorded 2022-11-02: US$134.45; no sale recorded 2022-11-05: US$205.23; no sale recorded 2022-12-01: US$115.00; no sale recorded 2022-12-14: US$59.00; no sale recorded 2022-12-19: US$112.43; no sale recorded 2022-12-29: US$234.64; no sale recorded 2023-01-02: US$240.24; no sale recorded 2023-01-06: US$257.84; no sale recorded 2023-01-10: US$94.05; no sale recorded 2023-02-06: US$164.99; no sale recorded 2023-02-06: US$79.00; no sale recorded 2023-02-10: US$235.08; no sale recorded 2023-02-10: US$234.33; no sale recorded 2023-02-18: US$258.39; no sale recorded 2023-03-01: US$235.98; no sale recorded 2023-03-06: US$233.88; no sale recorded 2023-03-07: US$235.24; no sale recorded 2023-03-17: US$840.00; no sale recorded 2023-03-17: US$234.44; no sale recorded 2023-03-18: US$474.05; no sale recorded 2023-03-25: US$300.00; no sale recorded 2023-03-31: US$120.00; no sale recorded 2023-04-08: US$495.00; no sale recorded 2023-04-15: US$991.96; no sale recorded 2023-04-21: US$234.63; no sale recorded 2023-04-22: US$243.22; no sale recorded 2023-06-06: US$61.09; sold recorded 2023-06-21: US$152.39; no sale recorded 2023-07-06: US$233.94; no sale recorded 2023-07-12: US$282.31; no sale recorded 2023-07-13: US$234.84; no sale recorded 2023-07-18: US$235.30; no sale recorded 2023-07-20: US$235.13; no sale recorded 2023-08-03: US$234.40; no sale recorded 2023-08-07: US$299.00; no sale recorded 2023-08-28: US$68.14; no sale recorded 2023-08-28: US$47.00; sold recorded 2023-09-26: US$153.93; no sale recorded 2023-10-31: US$152.65; no sale recorded 2023-10-31: US$152.93; no sale recorded 2024-01-08: US$150.50; no sale recorded 2024-01-31: US$278.37; no sale recorded 2024-01-31: US$50.00; no sale recorded 2024-01-31: US$225.86; no sale recorded 2024-02-20: US$231.00; no sale recorded 2024-02-20: US$259.58; no sale recorded 2024-02-20: US$278.37; no sale recorded 2024-02-21: US$202.40; no sale recorded 2024-02-26: US$288.42; sold recorded 2024-02-26: US$250.95; no sale recorded 2024-02-26: US$19.70; no sale recorded 2024-02-27: US$228.03; sold recorded 2024-03-05: US$150.96; no sale recorded 2024-03-08: US$153.18; no sale recorded 2024-03-08: US$154.23; no sale recorded 2024-03-18: US$149.30; no sale recorded 2024-04-12: US$155.27; no sale recorded 2024-04-17: US$152.39; no sale recorded 2024-04-18: US$989.96; no sale recorded 2024-04-20: US$275.58; no sale recorded 2024-04-23: US$399.00; no sale recorded 2024-05-11: US$138.64; no sale recorded 2024-05-21: US$144.00; no sale recorded 2024-05-28: US$151.99; no sale recorded 2024-05-28: US$241.91; no sale recorded 2024-06-04: US$103.40; no sale recorded 2024-06-04: US$109.98; no sale recorded 2024-06-04: US$987.96; no sale recorded 2024-06-08: US$75.18; no sale recorded 2024-06-08: US$37.58; no sale recorded 2024-06-12: US$156.77; no sale recorded 2024-06-26: US$379.05; sold recorded 2024-06-26: US$249.84; no sale recorded 2024-07-02: US$103.83; no sale recorded 2024-07-05: US$57.99; no sale recorded 2024-07-20: US$256.46; no sale recorded 2024-08-23: US$74.99; no sale recorded 2024-08-28: US$259.09; sold recorded 2024-09-05: US$49.99; sold recorded 2024-09-21: US$300.00; no sale recorded 2024-09-25: US$249.84; no sale recorded 2024-10-18: US$124.00; no sale recorded 2024-11-11: US$249.84; no sale recorded 2024-11-13: US$157.47; sold recorded 2024-11-22: US$151.10; no sale recorded 2024-11-23: US$151.08; no sale recorded 2025-02-01: US$7001.00; sold recorded 2025-02-03: US$7001.00; sold recorded 2025-03-02: US$95.83; no sale recorded 2025-03-07: US$88.99; sold recorded 2025-03-18: US$126.95; no sale recorded 2025-04-01: US$99.79; no sale recorded 2025-04-12: US$127.15; no sale recorded 2025-04-19: US$127.26; no sale recorded 2025-04-19: US$126.63; no sale recorded 2025-04-30: US$126.85; no sale recorded 2025-06-14: US$110.62; no sale recorded 2025-07-14: US$248.83; no sale recorded 2025-07-16: US$1231.27; no sale recorded 2025-07-30: US$99.00; no sale recorded 2025-08-28: US$99.00; no sale recorded 2025-09-11: US$63.50; no sale recorded 2025-09-23: US$246.01; no sale recorded 2025-10-16: US$244.72; no sale recorded 2025-10-26: US$258.96; no sale recorded 2025-11-03: US$92.27; no sale recorded 2025-12-16: US$299.80; no sale recorded 2025-12-18: US$228.71; no sale recorded 2025-12-20: US$321.11; no sale recorded 2025-12-23: US$79.00; no sale recorded 2026-01-04: US$244.72; no sale recorded 2026-01-15: US$246.01; no sale recorded 2026-01-24: US$321.11; no sale recorded 2026-01-26: US$1231.27; no sale recorded 2026-01-29: US$1172.39; no sale recorded 2026-02-25: US$174.00; no sale recorded 2026-03-05: US$1340.50; no sale recorded 2026-03-12: US$229.00; no sale recorded 2026-03-26: US$103.40; no sale recorded 2026-03-31: US$88.50; no sale recorded 2026-04-09: US$116.63; no sale recorded 2026-05-15: US$49.00; no sale recorded 2026-06-01: US$299.80; no sale recorded 2026-07-07: US$992.96; no sale recorded Recorded US-dollar price history Logarithmic price scale (price + 1). Horizontal axis: listing start date. Vertical axis: recorded price in US dollars. Filled dots have recorded sales; open dots have no recorded sales. The oxide step line shows calendar-month medians, with gaps for missing months. 0 1 10 100 1000 Mar 2017 Nov 2021 Jul 2026 2017-03-29: US$99.00; no sale recorded 2017-04-20: US$139.00; sold recorded 2017-04-25: US$278.58; sold recorded 2017-04-28: US$99.00; no sale recorded 2017-07-27: US$99.00; no sale recorded 2017-08-26: US$99.00; no sale recorded 2017-09-25: US$99.00; no sale recorded 2017-10-04: US$80.00; no sale recorded 2017-10-26: US$99.00; no sale recorded 2017-10-27: US$118.75; no sale recorded 2017-12-11: US$258.96; sold recorded 2018-01-26: US$125.00; no sale recorded 2018-02-24: US$99.00; no sale recorded 2018-03-26: US$99.00; no sale recorded 2018-03-28: US$118.75; no sale recorded 2018-04-26: US$99.00; no sale recorded 2018-04-27: US$118.75; no sale recorded 2018-05-26: US$99.00; no sale recorded 2018-05-28: US$125.00; no sale recorded 2018-06-19: US$136.00; sold recorded 2018-06-27: US$125.00; no sale recorded 2018-07-01: US$99.00; no sale recorded 2018-08-13: US$79.00; no sale recorded 2018-08-15: US$200.00; no sale recorded 2018-09-01: US$99.00; no sale recorded 2018-09-04: US$118.75; no sale recorded 2018-10-01: US$99.00; no sale recorded 2018-10-04: US$118.75; no sale recorded 2018-10-20: US$200.00; no sale recorded 2019-01-15: US$79.00; no sale recorded 2019-10-24: US$265.00; no sale recorded 2019-10-24: US$264.00; no sale recorded 2019-10-28: US$58.50; no sale recorded 2019-11-08: US$105.00; no sale recorded 2019-12-24: US$210.00; no sale recorded 2019-12-27: US$267.88; no sale recorded 2019-12-27: US$267.88; no sale recorded 2019-12-27: US$265.00; no sale recorded 2019-12-27: US$271.39; no sale recorded 2020-01-09: US$264.21; no sale recorded 2020-01-09: US$265.25; no sale recorded 2020-01-10: US$264.56; no sale recorded 2020-01-10: US$264.83; no sale recorded 2020-02-20: US$264.00; no sale recorded 2020-03-12: US$57.99; no sale recorded 2020-05-14: US$189.99; no sale recorded 2020-07-07: US$40.04; no sale recorded 2020-07-28: US$263.40; no sale recorded 2020-07-29: US$262.95; no sale recorded 2020-07-30: US$260.99; no sale recorded 2020-07-30: US$261.56; no sale recorded 2020-07-30: US$261.21; no sale recorded 2020-09-08: US$258.49; no sale recorded 2020-10-19: US$298.00; no sale recorded 2020-11-03: US$186.00; no sale recorded 2020-11-11: US$258.49; no sale recorded 2020-12-01: US$251.22; no sale recorded 2020-12-01: US$251.57; no sale recorded 2020-12-01: US$251.00; no sale recorded 2020-12-01: US$252.96; no sale recorded 2020-12-01: US$253.41; no sale recorded 2020-12-01: US$254.84; no sale recorded 2020-12-01: US$253.86; no sale recorded 2021-01-15: US$287.00; no sale recorded 2021-01-25: US$335.00; no sale recorded 2021-01-26: US$50.00; no sale recorded 2021-02-17: US$8.00; sold recorded 2021-03-02: US$244.18; no sale recorded 2021-03-02: US$242.79; no sale recorded 2021-03-02: US$246.06; no sale recorded 2021-03-02: US$245.08; no sale recorded 2021-03-02: US$242.44; no sale recorded 2021-04-05: US$28.96; no sale recorded 2021-04-12: US$94.92; no sale recorded 2021-04-30: US$149.99; no sale recorded 2021-05-09: US$28.64; no sale recorded 2021-05-13: US$109.99; no sale recorded 2021-06-10: US$10.00; no sale recorded 2022-01-10: US$137.82; no sale recorded 2022-01-12: US$101.89; no sale recorded 2022-01-17: US$270.70; no sale recorded 2022-01-17: US$267.35; no sale recorded 2022-01-18: US$268.50; no sale recorded 2022-01-18: US$270.65; no sale recorded 2022-02-10: US$48.99; sold recorded 2022-02-22: US$281.16; no sale recorded 2022-02-25: US$280.26; no sale recorded 2022-03-01: US$282.60; no sale recorded 2022-03-03: US$100.00; no sale recorded 2022-03-03: US$282.78; no sale recorded 2022-03-03: US$345.00; no sale recorded 2022-03-18: US$281.88; no sale recorded 2022-04-05: US$315.00; no sale recorded 2022-04-06: US$280.98; no sale recorded 2022-04-06: US$398.31; no sale recorded 2022-04-14: US$100.00; no sale recorded 2022-04-14: US$211.00; no sale recorded 2022-05-03: US$213.00; no sale recorded 2022-05-23: US$282.42; no sale recorded 2022-05-23: US$280.62; no sale recorded 2022-05-23: US$281.70; no sale recorded 2022-05-23: US$282.06; no sale recorded 2022-05-23: US$281.52; no sale recorded 2022-05-23: US$280.80; no sale recorded 2022-06-01: US$125.00; no sale recorded 2022-06-03: US$74.99; sold recorded 2022-06-08: US$125.00; no sale recorded 2022-06-14: US$121.44; no sale recorded 2022-06-15: US$125.00; sold recorded 2022-06-27: US$277.60; no sale recorded 2022-06-28: US$695.00; sold recorded 2022-07-11: US$61.09; no sale recorded 2022-07-13: US$167.87; sold recorded 2022-07-22: US$249.84; no sale recorded 2022-07-27: US$281.16; no sale recorded 2022-08-08: US$282.78; no sale recorded 2022-08-12: US$345.00; no sale recorded 2022-08-13: US$315.00; no sale recorded 2022-08-13: US$211.00; no sale recorded 2022-08-14: US$213.00; no sale recorded 2022-09-16: US$149.99; no sale recorded 2022-09-20: US$281.31; no sale recorded 2022-10-26: US$125.04; no sale recorded 2022-11-02: US$134.45; no sale recorded 2022-11-05: US$205.23; no sale recorded 2022-12-01: US$115.00; no sale recorded 2022-12-14: US$59.00; no sale recorded 2022-12-19: US$112.43; no sale recorded 2022-12-29: US$234.64; no sale recorded 2023-01-02: US$240.24; no sale recorded 2023-01-06: US$257.84; no sale recorded 2023-01-10: US$94.05; no sale recorded 2023-02-06: US$164.99; no sale recorded 2023-02-06: US$79.00; no sale recorded 2023-02-10: US$235.08; no sale recorded 2023-02-10: US$234.33; no sale recorded 2023-02-18: US$258.39; no sale recorded 2023-03-01: US$235.98; no sale recorded 2023-03-06: US$233.88; no sale recorded 2023-03-07: US$235.24; no sale recorded 2023-03-17: US$840.00; no sale recorded 2023-03-17: US$234.44; no sale recorded 2023-03-18: US$474.05; no sale recorded 2023-03-25: US$300.00; no sale recorded 2023-03-31: US$120.00; no sale recorded 2023-04-08: US$495.00; no sale recorded 2023-04-15: US$991.96; no sale recorded 2023-04-21: US$234.63; no sale recorded 2023-04-22: US$243.22; no sale recorded 2023-06-06: US$61.09; sold recorded 2023-06-21: US$152.39; no sale recorded 2023-07-06: US$233.94; no sale recorded 2023-07-12: US$282.31; no sale recorded 2023-07-13: US$234.84; no sale recorded 2023-07-18: US$235.30; no sale recorded 2023-07-20: US$235.13; no sale recorded 2023-08-03: US$234.40; no sale recorded 2023-08-07: US$299.00; no sale recorded 2023-08-28: US$68.14; no sale recorded 2023-08-28: US$47.00; sold recorded 2023-09-26: US$153.93; no sale recorded 2023-10-31: US$152.65; no sale recorded 2023-10-31: US$152.93; no sale recorded 2024-01-08: US$150.50; no sale recorded 2024-01-31: US$278.37; no sale recorded 2024-01-31: US$50.00; no sale recorded 2024-01-31: US$225.86; no sale recorded 2024-02-20: US$231.00; no sale recorded 2024-02-20: US$259.58; no sale recorded 2024-02-20: US$278.37; no sale recorded 2024-02-21: US$202.40; no sale recorded 2024-02-26: US$288.42; sold recorded 2024-02-26: US$250.95; no sale recorded 2024-02-26: US$19.70; no sale recorded 2024-02-27: US$228.03; sold recorded 2024-03-05: US$150.96; no sale recorded 2024-03-08: US$153.18; no sale recorded 2024-03-08: US$154.23; no sale recorded 2024-03-18: US$149.30; no sale recorded 2024-04-12: US$155.27; no sale recorded 2024-04-17: US$152.39; no sale recorded 2024-04-18: US$989.96; no sale recorded 2024-04-20: US$275.58; no sale recorded 2024-04-23: US$399.00; no sale recorded 2024-05-11: US$138.64; no sale recorded 2024-05-21: US$144.00; no sale recorded 2024-05-28: US$151.99; no sale recorded 2024-05-28: US$241.91; no sale recorded 2024-06-04: US$103.40; no sale recorded 2024-06-04: US$109.98; no sale recorded 2024-06-04: US$987.96; no sale recorded 2024-06-08: US$75.18; no sale recorded 2024-06-08: US$37.58; no sale recorded 2024-06-12: US$156.77; no sale recorded 2024-06-26: US$379.05; sold recorded 2024-06-26: US$249.84; no sale recorded 2024-07-02: US$103.83; no sale recorded 2024-07-05: US$57.99; no sale recorded 2024-07-20: US$256.46; no sale recorded 2024-08-23: US$74.99; no sale recorded 2024-08-28: US$259.09; sold recorded 2024-09-05: US$49.99; sold recorded 2024-09-21: US$300.00; no sale recorded 2024-09-25: US$249.84; no sale recorded 2024-10-18: US$124.00; no sale recorded 2024-11-11: US$249.84; no sale recorded 2024-11-13: US$157.47; sold recorded 2024-11-22: US$151.10; no sale recorded 2024-11-23: US$151.08; no sale recorded 2025-02-01: US$7001.00; sold recorded 2025-02-03: US$7001.00; sold recorded 2025-03-02: US$95.83; no sale recorded 2025-03-07: US$88.99; sold recorded 2025-03-18: US$126.95; no sale recorded 2025-04-01: US$99.79; no sale recorded 2025-04-12: US$127.15; no sale recorded 2025-04-19: US$127.26; no sale recorded 2025-04-19: US$126.63; no sale recorded 2025-04-30: US$126.85; no sale recorded 2025-06-14: US$110.62; no sale recorded 2025-07-14: US$248.83; no sale recorded 2025-07-16: US$1231.27; no sale recorded 2025-07-30: US$99.00; no sale recorded 2025-08-28: US$99.00; no sale recorded 2025-09-11: US$63.50; no sale recorded 2025-09-23: US$246.01; no sale recorded 2025-10-16: US$244.72; no sale recorded 2025-10-26: US$258.96; no sale recorded 2025-11-03: US$92.27; no sale recorded 2025-12-16: US$299.80; no sale recorded 2025-12-18: US$228.71; no sale recorded 2025-12-20: US$321.11; no sale recorded 2025-12-23: US$79.00; no sale recorded 2026-01-04: US$244.72; no sale recorded 2026-01-15: US$246.01; no sale recorded 2026-01-24: US$321.11; no sale recorded 2026-01-26: US$1231.27; no sale recorded 2026-01-29: US$1172.39; no sale recorded 2026-02-25: US$174.00; no sale recorded 2026-03-05: US$1340.50; no sale recorded 2026-03-12: US$229.00; no sale recorded 2026-03-26: US$103.40; no sale recorded 2026-03-31: US$88.50; no sale recorded 2026-04-09: US$116.63; no sale recorded 2026-05-15: US$49.00; no sale recorded 2026-06-01: US$299.80; no sale recorded 2026-07-07: US$992.96; no sale recorded Sold recorded No sale recorded Monthly median
Logarithmic price scale (price + 1). Dates are listing starts.
Median recorded price, all years $228.03 247 plotted records from 247 US-dollar records in this range. Monthly medians use all records in each calendar month.