{"punk":2638,"name":"CryptoPunk #2638","url":"https://punkprice.com/punk/2638","image":"https://punkprice.com/api/punk-image/2638.svg","type":"Female","skin_tone":4,"attributes":["Bandana","Cigarette"],"attribute_count":2,"model":{"version":"est-v2-202610","beta":true,"label":"Valuation (beta), not a floor","spec_sha256":"1cf27321b403ea86f6972db116008f450d113e635f10c03d21207a83f7bfb63f","method":"https://punkprice.com/about#estimate","track_record":"https://punkprice.com/track-record","rule":"N1 (floor x type median multiple of the last 12 months) plus, for Female and Male punks, only the attribute, skin tone, attribute count and drift terms whose 95% interval excludes zero (per-type weighted ridge, Huber loss, half-life 90 days). Zombie, Ape, Alien: weighted median multiple of all their sales (half-life 2 years). Bands: floor x exp(log estimate +- k sigma), sigma = sqrt(s_cell^2 + (0.5 x premium)^2).","caveats":["Female estimates sit close to the floor: in the backtest the plain type multiple was the better median guess for Female punks.","Punks with 0 or 1 attributes, and Zombie, Ape and Alien punks, have few sales; their bands are wide and their confidence is Low.","Trained on native CryptoPunks marketplace sales only; wrapped-punk sales are not included yet."]},"as_of":{"date":"2026-11-08","note":"Fitted on sales up to the end of 2026-11-08 UTC. `estimate` is valued at the latest exact floor (`fresh_floor`, refreshed hourly); `daily` is valued at that day's closing floor and is the one the track record scores.","written_at":"2026-11-09T00:20:39.191Z","fingerprint_sha256":"8643503c6f1ea280797873ec6e14ed6443d548a08977cc39fd5268725d862fc4"},"estimate":{"eth":36.9781,"usd":78517,"band_1sigma":{"low_eth":33.2251,"high_eth":41.1549,"low_usd":70548,"high_usd":87386},"band_2sigma":{"low_eth":29.8531,"high_eth":45.8035,"low_usd":63388,"high_usd":97256},"sigma_log":0.107,"multiple_of_floor":1.2164,"n1_eth":30.669,"confidence":"High","cell":"Female 2-3","floor_eth":30.4,"floor_as_of":"2026-11-09T09:04:23.000Z","basis":"hourly floor"},"daily":{"date":"2026-11-08","eth":36.9781,"usd":78517,"band_1sigma":{"low_eth":33.2251,"high_eth":41.1549,"low_usd":70548,"high_usd":87386},"band_2sigma":{"low_eth":29.8531,"high_eth":45.8035,"low_usd":63388,"high_usd":97256},"sigma_log":0.107,"multiple_of_floor":1.2164,"n1_eth":30.669,"confidence":"High","cell":"Female 2-3","floor_eth":30.4,"fingerprint_sha256":"8643503c6f1ea280797873ec6e14ed6443d548a08977cc39fd5268725d862fc4"},"fresh_floor":{"source":"hourly","as_of":"2026-11-09T09:04:23.000Z","block":26376317,"eth":30.4,"punk":7843,"public_asks":1160,"age_minutes":47,"stale":false,"label":"as of 09:04 UTC, floor 30.40 ETH","stale_note":null},"floor":{"as_of_date":"2026-11-08","eth":30.4,"eth_usd":2123.3378189594514,"latest":{"date":"2026-11-09","eth":30.4},"current":{"source":"hourly","as_of":"2026-11-09T09:04:23.000Z","block":26376317,"eth":30.4,"punk":7843,"public_asks":1160,"age_minutes":47,"stale":false,"label":"as of 09:04 UTC, floor 30.40 ETH","stale_note":null},"type_floor":{"type":"Female","date":"2026-11-09","eth":30.42,"public_asks":404,"punk":4351}},"listing":null,"argument":{"cell":"Female 2-3","terms":[{"pct":23.3,"beta":0.2095,"term":"tone4","label":"Skin tone 4 (vs 1)","sales_12m":null,"weighted_sales":14.4},{"pct":-2.2,"beta":-0.0224,"term":"attr:Cigarette","label":"Cigarette","sales_12m":111,"weighted_sales":13.9}],"backtest":{"cell":"Female 2-3","seen":{"n":839,"cover1":0.634,"cover2":0.871,"bias_pct":-0.6,"within10":0.802,"within25":0.952,"MdALE_pct":4.1},"thin":false,"sigma":0.052,"selection":{"n":1056,"cover1":0.688,"cover2":0.916,"bias_pct":-1.5,"within10":0.841,"within25":0.968,"MdALE_pct":4}},"own_sales":[{"eth":77.77,"date":"2022-07-11","block":15118350,"source":"native-buy","excluded":null,"log_index":167,"adjusted_eth":31.1285},{"eth":49,"date":"2023-07-11","block":17667265,"source":"native-buy","excluded":null,"log_index":149,"adjusted_eth":29.5321},{"eth":0,"date":"2023-12-12","block":18770596,"source":"native-buy","excluded":"no-price","log_index":234,"adjusted_eth":null},{"eth":39.69,"date":"2024-04-29","block":19762567,"source":"native-buy","excluded":"twin-of-nominal-24h","log_index":316,"adjusted_eth":33.5253},{"eth":0,"date":"2024-04-30","block":19764538,"source":"native-buy","excluded":"no-price","log_index":174,"adjusted_eth":null},{"eth":0,"date":"2024-04-30","block":19764538,"source":"native-buy","excluded":"no-price","log_index":178,"adjusted_eth":null},{"eth":0,"date":"2024-08-05","block":20465148,"source":"native-buy","excluded":"no-price","log_index":282,"adjusted_eth":null},{"eth":0,"date":"2024-08-05","block":20465148,"source":"native-buy","excluded":"no-price","log_index":286,"adjusted_eth":null},{"eth":26.69,"date":"2024-08-20","block":20571512,"source":"native-buy","excluded":null,"log_index":32,"adjusted_eth":28.0947}],"comparables":[{"eth":32.89,"date":"2024-11-14","punk":7218,"source":"native-buy","adjusted_eth":30.3079,"shared_attributes":2},{"eth":31,"date":"2024-11-13","punk":7218,"source":"native-buy","adjusted_eth":28.6531,"shared_attributes":2},{"eth":27.5,"date":"2024-11-11","punk":5991,"source":"native-buy","adjusted_eth":28.3486,"shared_attributes":2},{"eth":28.88,"date":"2026-10-30","punk":874,"source":"native-buy","adjusted_eth":30.8118,"shared_attributes":1},{"eth":27.09,"date":"2026-10-30","punk":2278,"source":"native-buy","adjusted_eth":28.9021,"shared_attributes":1},{"eth":33.33,"date":"2026-10-09","punk":1895,"source":"native-buy","adjusted_eth":32.1763,"shared_attributes":1},{"eth":36,"date":"2026-10-08","punk":3859,"source":"native-buy","adjusted_eth":33.4168,"shared_attributes":1},{"eth":35,"date":"2026-09-23","punk":1452,"source":"native-buy","adjusted_eth":31.2941,"shared_attributes":1}],"premium_log":0.1871,"type_multiple":{"sales":439,"period":"12 months","multiple":1.0088,"median_multiple":1.0088},"no_clear_premium":[{"attribute":"Bandana","sales_12m":63}],"summary":["Estimate 37.0 ETH (beta), 1σ range 33.2 to 41.2 ETH, 2σ range 29.9 to 45.8 ETH, confidence High, as of 09:04 UTC, floor 30.40 ETH (fitted on sales up to the end of 2026-11-08).","Floor 30.4 ETH at 09:04 UTC; 30.4 ETH at the close of 2026-11-08.","Female punks sold at a median 1.01x the floor of the day before (439 sales, 12 months).","Terms with clear support: Skin tone 4 (vs 1) +23%, Cigarette -2%.","Female estimates sit close to the floor by design: in the backtest the floor times the type multiple was the better median guess for Female punks.","In the backtest, Female 2-3 sales landed within ±4% of the estimate half the time (2023-2024) and within ±4.1% in 2025-2026 (months already seen in round 1)."]},"track_record":[],"cite_as":"PunkPrice (2026). CryptoPunks per-punk estimates (beta), model est-v2-202610, from CryptoPunks marketplace sales. https://punkprice.com/punk/2638","license":"CC BY 4.0","disclaimer":"Valuation (beta) from public marketplace sales: not an appraisal and not financial advice. It can be wrong, so read the range, not only the number.","links":{"listings":"https://punkprice.com/listings","backtest":"https://punkprice.com/api/estimate/backtest.json","track_record":"https://punkprice.com/api/estimate/track-record.json"}}