{"punk":8181,"name":"CryptoPunk #8181","url":"https://punkprice.com/punk/8181","image":"https://punkprice.com/api/punk-image/8181.svg","type":"Male","skin_tone":2,"attributes":["Shadow Beard","Earring","Top Hat"],"attribute_count":3,"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":"2026-11-05","note":"Fitted on sales up to the end of 2026-11-05 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":"2026-11-06T00:20:36.384Z","fingerprint_sha256":"28fb24ec0a4377e5ef5227eb5d7b42a3750c93b8b338f0430ec1b75165a89dc1"},"estimate":{"eth":47.4035,"usd":114863,"band_1sigma":{"low_eth":38.5555,"high_eth":58.2819,"low_usd":93423,"high_usd":141222},"band_2sigma":{"low_eth":31.359,"high_eth":71.6568,"low_usd":75985,"high_usd":173630},"sigma_log":0.2066,"multiple_of_floor":1.5598,"n1_eth":32.3864,"confidence":"Low","cell":"Male 2-3","floor_eth":30.39,"floor_as_of":"2026-11-06T05:04:35.000Z","basis":"hourly floor"},"daily":{"date":"2026-11-05","eth":47.4035,"usd":114863,"band_1sigma":{"low_eth":38.5555,"high_eth":58.2819,"low_usd":93423,"high_usd":141222},"band_2sigma":{"low_eth":31.359,"high_eth":71.6568,"low_usd":75985,"high_usd":173630},"sigma_log":0.2066,"multiple_of_floor":1.5598,"n1_eth":32.3864,"confidence":"Low","cell":"Male 2-3","floor_eth":30.39,"fingerprint_sha256":"28fb24ec0a4377e5ef5227eb5d7b42a3750c93b8b338f0430ec1b75165a89dc1"},"fresh_floor":{"source":"hourly","as_of":"2026-11-06T05:04:35.000Z","block":26353598,"eth":30.39,"punk":3425,"public_asks":1162,"age_minutes":44,"stale":false,"label":"as of 05:04 UTC, floor 30.39 ETH","stale_note":null},"floor":{"as_of_date":"2026-11-05","eth":30.39,"eth_usd":2423.081896592348,"latest":{"date":"2026-11-06","eth":30.39},"current":{"source":"hourly","as_of":"2026-11-06T05:04:35.000Z","block":26353598,"eth":30.39,"punk":3425,"public_asks":1162,"age_minutes":44,"stale":false,"label":"as of 05:04 UTC, floor 30.39 ETH","stale_note":null},"type_floor":{"type":"Male","date":"2026-11-06","eth":30.39,"public_asks":744,"punk":3425}},"listing":null,"argument":{"cell":"Male 2-3","terms":[{"pct":4.6,"beta":0.0454,"term":"drift","label":"Male market level","sales_12m":null,"weighted_sales":null},{"pct":10.1,"beta":0.0958,"term":"tone2","label":"Skin tone 2 (vs 1)","sales_12m":null,"weighted_sales":88.6},{"pct":-2.4,"beta":-0.0241,"term":"attr:Earring","label":"Earring","sales_12m":303,"weighted_sales":70.6},{"pct":30.2,"beta":0.2639,"term":"attr:Top Hat","label":"Top Hat","sales_12m":6,"weighted_sales":1.8}],"backtest":{"cell":"Male 2-3","seen":{"n":1435,"cover1":0.708,"cover2":0.933,"bias_pct":-0.7,"within10":0.745,"within25":0.947,"MdALE_pct":5.7},"thin":false,"sigma":0.08,"selection":{"n":1945,"cover1":0.69,"cover2":0.939,"bias_pct":-1.3,"within10":0.719,"within25":0.96,"MdALE_pct":6.1}},"own_sales":[{"eth":85,"date":"2021-07-31","block":12934589,"source":"native-buy","excluded":null,"log_index":70,"adjusted_eth":86.1337}],"comparables":[{"eth":269,"date":"2026-08-05","punk":2311,"source":"native-buy","adjusted_eth":257.8836,"shared_attributes":2},{"eth":34.92,"date":"2026-08-03","punk":5322,"source":"native-buy","adjusted_eth":32.8958,"shared_attributes":2},{"eth":58.8889,"date":"2026-07-03","punk":7519,"source":"native-buy","adjusted_eth":55.1675,"shared_attributes":2},{"eth":130,"date":"2026-05-19","punk":8870,"source":"native-bid","adjusted_eth":116.2655,"shared_attributes":2},{"eth":34.4,"date":"2025-12-11","punk":2535,"source":"native-buy","adjusted_eth":34.9054,"shared_attributes":2},{"eth":42,"date":"2025-10-22","punk":6138,"source":"native-buy","adjusted_eth":32.7277,"shared_attributes":2},{"eth":55,"date":"2025-08-21","punk":3544,"source":"native-bid","adjusted_eth":35.9452,"shared_attributes":2},{"eth":54,"date":"2025-08-06","punk":9421,"source":"native-buy","adjusted_eth":31.3838,"shared_attributes":2}],"premium_log":0.381,"type_multiple":{"sales":772,"period":"12 months","multiple":1.0657,"median_multiple":1.0657},"no_clear_premium":[{"attribute":"Shadow Beard","sales_12m":55}],"summary":["Estimate 47.4 ETH (beta), 1σ range 38.6 to 58.3 ETH, 2σ range 31.4 to 71.7 ETH, confidence Low, as of 05:04 UTC, floor 30.39 ETH (fitted on sales up to the end of 2026-11-05).","Floor 30.4 ETH at 05:04 UTC; 30.4 ETH at the close of 2026-11-05.","Male punks sold at a median 1.07x the floor of the day before (772 sales, 12 months).","Terms with clear support: Male market level +5%, Skin tone 2 (vs 1) +10%, Earring -2%, Top Hat +30%.","In the backtest, Male 2-3 sales landed within ±6.1% of the estimate half the time (2023-2024) and within ±5.7% 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/8181","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"}}