{"punk":4109,"name":"CryptoPunk #4109","url":"https://punkprice.com/punk/4109","image":"https://punkprice.com/api/punk-image/4109.svg","type":"Male","skin_tone":4,"attributes":["Normal Beard Black","Purple Hair"],"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":"2026-11-05","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":39.1641,"usd":94898,"band_1sigma":{"low_eth":34.5897,"high_eth":44.3436,"low_usd":83814,"high_usd":107448},"band_2sigma":{"low_eth":30.5495,"high_eth":50.208,"low_usd":74024,"high_usd":121658},"sigma_log":0.1242,"multiple_of_floor":1.2887,"n1_eth":32.3864,"confidence":"Low","cell":"Male 2-3","floor_eth":30.39,"floor_as_of":"2026-11-06T10:04:35.000Z","basis":"hourly floor"},"daily":{"date":"2026-11-05","eth":39.1641,"usd":94898,"band_1sigma":{"low_eth":34.5897,"high_eth":44.3436,"low_usd":83814,"high_usd":107448},"band_2sigma":{"low_eth":30.5495,"high_eth":50.208,"low_usd":74024,"high_usd":121658},"sigma_log":0.1242,"multiple_of_floor":1.2887,"n1_eth":32.3864,"confidence":"Low","cell":"Male 2-3","floor_eth":30.39,"fingerprint_sha256":"28fb24ec0a4377e5ef5227eb5d7b42a3750c93b8b338f0430ec1b75165a89dc1"},"fresh_floor":{"source":"hourly","as_of":"2026-11-06T10:04:35.000Z","block":26355095,"eth":30.39,"punk":3425,"public_asks":1162,"age_minutes":14,"stale":false,"label":"as of 10:04 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":"2026-11-06T10:04:35.000Z","block":26355095,"eth":30.39,"punk":3425,"public_asks":1162,"age_minutes":14,"stale":false,"label":"as of 10:04 UTC, floor 30.39 ETH","stale_note":null},"type_floor":{"type":"Male","date":"2026-11-06","eth":30.39,"public_asks":745,"punk":3425}},"listing":{"ask_eth":109.9,"ask_usd":245712,"z":8.31,"z_text":"8.3σ above the estimate","listed_since":"2022-09-19T18:51:47.000Z","days_listed":1508},"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":19.8,"beta":0.1805,"term":"tone4","label":"Skin tone 4 (vs 1)","sales_12m":null,"weighted_sales":25.7},{"pct":-3.5,"beta":-0.0359,"term":"count2","label":"2 attributes (vs 3)","sales_12m":null,"weighted_sales":101.6}],"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":17,"date":"2021-05-30","block":12538727,"source":"native-buy","excluded":null,"log_index":357,"adjusted_eth":34.442},{"eth":23,"date":"2021-06-03","block":12560445,"source":"native-buy","excluded":null,"log_index":32,"adjusted_eth":47.549},{"eth":30,"date":"2021-06-11","block":12614070,"source":"native-buy","excluded":null,"log_index":295,"adjusted_eth":60.78},{"eth":100,"date":"2021-08-06","block":12971368,"source":"native-buy","excluded":null,"log_index":135,"adjusted_eth":62.0204}],"comparables":[{"eth":39.9,"date":"2024-11-10","punk":2685,"source":"native-buy","adjusted_eth":45.757,"shared_attributes":2},{"eth":30.99,"date":"2026-11-02","punk":9585,"source":"native-buy","adjusted_eth":30.9696,"shared_attributes":1},{"eth":29.35,"date":"2026-10-23","punk":8427,"source":"native-buy","adjusted_eth":28.7725,"shared_attributes":1},{"eth":35.9,"date":"2026-10-09","punk":8159,"source":"native-buy","adjusted_eth":34.646,"shared_attributes":1},{"eth":45,"date":"2026-10-02","punk":6489,"source":"native-bid","adjusted_eth":41.4535,"shared_attributes":1},{"eth":38.95,"date":"2026-08-10","punk":3041,"source":"native-buy","adjusted_eth":37.0135,"shared_attributes":1},{"eth":40,"date":"2026-08-06","punk":4945,"source":"native-buy","adjusted_eth":37.5533,"shared_attributes":1},{"eth":36.5,"date":"2026-07-21","punk":3606,"source":"native-buy","adjusted_eth":34.6636,"shared_attributes":1}],"premium_log":0.19,"type_multiple":{"sales":772,"period":"12 months","multiple":1.0657,"median_multiple":1.0657},"no_clear_premium":[{"attribute":"Normal Beard Black","sales_12m":21},{"attribute":"Purple Hair","sales_12m":6}],"summary":["Estimate 39.2 ETH (beta), 1σ range 34.6 to 44.3 ETH, 2σ range 30.5 to 50.2 ETH, confidence Low, as of 10:04 UTC, floor 30.39 ETH (fitted on sales up to the end of 2026-11-05).","Floor 30.4 ETH at 10:04 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 4 (vs 1) +20%, 2 attributes (vs 3) -4%.","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/4109","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"}}