{"canonical_id_v02":"244e397216c0","identity":{"artist":"Jeff Laubenstein","game":"mtg","grade":"raw","image_url":"https://cards.scryfall.io/normal/front/e/1/e187dcc6-19ad-4cf6-94b4-daf07f5144e5.jpg?1783904431","locale":"en","name":"Chomping Changeling","number":"172","rarity":"uncommon","series_slug":"lorwyn-eclipsed","set_name":"Lorwyn Eclipsed","set_slug":"lorwyn-eclipsed","vintage":"modern_rotation"},"meta":{"build_inputs_sha":"00f025b89d744f40","confidence_tier":"T1_sales_derived","generated_at_utc":"2026-09-06T18:07:23Z","methodology_version":"v0.7","schema_version":"0.2.1"},"narrative":null,"price":{"bid_ask_spread_pct":null,"by_printing":{"Foil":{"buylist":null,"fetched_at_utc":"2026-09-04T18:19:06.090480+00:00","listed_median":2.79,"market_price":2.79},"Normal":{"buylist":null,"fetched_at_utc":"2026-09-04T18:19:06.090480+00:00","listed_median":1.52,"market_price":1.3}},"cohort_relative_zscore":null,"condition":"Near Mint","condition_basis":"TCGplayer market price per printing; the vendor's per-SKU history reads the same value for the Near Mint SKU (fu396/fu397 probes: 8 games, 43 rows, nearest condition NM 42/43 — Wilson 95% 88-100% — cent-equal 28/43, misses <= 2.2% by bucket timing; a sample, not a definition)","fetched_at_utc":"2026-09-04T18:19:06.090480+00:00","latest_buylist":null,"latest_listed_median":2.79,"latest_market_price":2.79,"primary_printing":"Foil","primary_printing_in_record":"Foil","primary_printing_resolution":"exact"},"similar_cards":[],"structure":{"_methodology_version":"v0.7","_source_breakdown":{"tcgcsv_archive":22,"tcgcsv_forward":460},"as_of_date":"2026-09-05","ath_date":"2026-01-08","ath_price":3,"atl_date":"2026-01-24","atl_price":0.43,"canonical_id_v02":"244e397216c0","canonical_id_v03":null,"canonical_id_v1":null,"card_r14d_pct_cohort_estimator":49.18,"card_r30d_pct_cohort_estimator":92.25,"card_r90d_pct_cohort_estimator":143.75,"climatology_baseline_pct":{"CALM":34,"DRAWDOWN":27,"HEATED":39},"cohort_label":"mtg-en-raw-nascent","cohort_median_14d_pct":0,"cohort_median_30d_pct":0,"cohort_median_90d_pct":4.05,"cohort_source":"derived","current_off_ath_pct":-9,"current_price":2.73,"history_first_date":"2026-01-08","history_last_date":"2026-09-05","history_n_distinct_closes":210,"history_n_obs":482,"history_n_obs_series":241,"liquidity_tier":"T2","notable_moments":[{"date":"2026-03-30","delta_pct":62.9,"label":"+63% day-over-day","price":2.46,"type":"outlier_spike"},{"date":"2026-02-24","delta_pct":72.1,"label":"+72% day-over-day","price":1.79,"type":"outlier_spike"},{"date":"2026-01-28","delta_pct":45.4,"label":"+45% day-over-day","price":1.41,"type":"outlier_spike"},{"date":"2026-01-25","delta_pct":169.8,"label":"+170% day-over-day","price":1.16,"type":"outlier_spike"},{"date":"2026-01-24","delta_pct":-85.7,"label":"-86% off peak","price":0.43,"type":"drawdown_low"},{"date":"2026-01-23","delta_pct":-41.3,"label":"-41% day-over-day","price":0.47,"type":"outlier_spike"},{"date":"2026-01-15","delta_pct":-38.7,"label":"-39% day-over-day","price":0.65,"type":"outlier_spike"},{"date":"2026-01-13","delta_pct":-63,"label":"-63% day-over-day","price":1.11,"type":"outlier_spike"}],"position_in_own_range_pctile":97,"regime_entered_date":"2026-08-10","regime_label":"HEATED","regime_occupancy_pct_1y":{"CALM":11,"DRAWDOWN":0,"HEATED":89},"regime_occupancy_pct_lifetime":{"CALM":11,"DRAWDOWN":0,"HEATED":89},"regime_run_length_days":26,"regime_transitions":[{"date":"2026-05-24","from":"HEATED","to":"CALM"},{"date":"2026-05-25","from":"CALM","to":"HEATED"},{"date":"2026-05-28","from":"HEATED","to":"CALM"},{"date":"2026-05-30","from":"CALM","to":"HEATED"},{"date":"2026-05-31","from":"HEATED","to":"CALM"},{"date":"2026-06-01","from":"CALM","to":"HEATED"},{"date":"2026-06-05","from":"HEATED","to":"CALM"},{"date":"2026-06-14","from":"CALM","to":"HEATED"},{"date":"2026-06-21","from":"HEATED","to":"CALM"},{"date":"2026-06-25","from":"CALM","to":"HEATED"},{"date":"2026-07-07","from":"HEATED","to":"CALM"},{"date":"2026-07-12","from":"CALM","to":"HEATED"},{"date":"2026-08-04","from":"HEATED","to":"CALM"},{"date":"2026-08-05","from":"CALM","to":"HEATED"},{"date":"2026-08-07","from":"HEATED","to":"CALM"},{"date":"2026-08-10","from":"CALM","to":"HEATED"}],"residual_vs_cohort_14d_pct":49.18,"residual_vs_cohort_30d_pct":92.25,"residual_vs_cohort_90d_pct":139.7,"series_printing":"Foil","series_printing_determinacy":{"decided_by":"sticky_previous","margin":0,"n_candidates":2,"pool":"recent","tie_members":["Foil","Normal"]}},"trajectory":{"return_1y_pct":null,"return_30d_pct":92.25,"return_7d_pct":8.33,"return_90d_pct":143.75,"series_30d":[{"date":"2026-08-06","price":1.42},{"date":"2026-08-07","price":1.37},{"date":"2026-08-08","price":1.41},{"date":"2026-08-09","price":1.41},{"date":"2026-08-10","price":1.5},{"date":"2026-08-11","price":1.53},{"date":"2026-08-12","price":1.49},{"date":"2026-08-13","price":1.64},{"date":"2026-08-14","price":1.93},{"date":"2026-08-15","price":1.97},{"date":"2026-08-16","price":1.98},{"date":"2026-08-17","price":1.86},{"date":"2026-08-18","price":1.77},{"date":"2026-08-19","price":1.75},{"date":"2026-08-20","price":1.7},{"date":"2026-08-21","price":1.83},{"date":"2026-08-22","price":1.83},{"date":"2026-08-23","price":2.08},{"date":"2026-08-24","price":2.42},{"date":"2026-08-25","price":2.48},{"date":"2026-08-26","price":2.55},{"date":"2026-08-27","price":2.45},{"date":"2026-08-28","price":2.36},{"date":"2026-08-29","price":2.52},{"date":"2026-08-30","price":2.64},{"date":"2026-08-31","price":2.62},{"date":"2026-09-01","price":2.69},{"date":"2026-09-02","price":2.69},{"date":"2026-09-03","price":2.8},{"date":"2026-09-04","price":2.79},{"date":"2026-09-05","price":2.73}],"series_90d_thinned":[{"date":"2026-06-07","price":1.12},{"date":"2026-06-09","price":1.1},{"date":"2026-06-11","price":1.3},{"date":"2026-06-13","price":1.25},{"date":"2026-06-15","price":1.36},{"date":"2026-06-17","price":1.41},{"date":"2026-06-19","price":1.39},{"date":"2026-06-21","price":1.25},{"date":"2026-06-23","price":1.28},{"date":"2026-06-25","price":1.32},{"date":"2026-06-27","price":1.23},{"date":"2026-06-29","price":1.27},{"date":"2026-07-01","price":1.27},{"date":"2026-07-03","price":1.19},{"date":"2026-07-05","price":1.24},{"date":"2026-07-07","price":1.21},{"date":"2026-07-09","price":1.16},{"date":"2026-07-11","price":1.15},{"date":"2026-07-13","price":1.27},{"date":"2026-07-15","price":1.36},{"date":"2026-07-17","price":1.4},{"date":"2026-07-19","price":1.45},{"date":"2026-07-21","price":1.58},{"date":"2026-07-23","price":1.79},{"date":"2026-07-25","price":1.78},{"date":"2026-07-27","price":1.76},{"date":"2026-07-29","price":1.84},{"date":"2026-07-31","price":1.67},{"date":"2026-08-02","price":1.63},{"date":"2026-08-04","price":1.45},{"date":"2026-08-06","price":1.42},{"date":"2026-08-08","price":1.41},{"date":"2026-08-10","price":1.5},{"date":"2026-08-12","price":1.49},{"date":"2026-08-14","price":1.93},{"date":"2026-08-16","price":1.98},{"date":"2026-08-18","price":1.77},{"date":"2026-08-20","price":1.7},{"date":"2026-08-22","price":1.83},{"date":"2026-08-24","price":2.42},{"date":"2026-08-26","price":2.55},{"date":"2026-08-28","price":2.36},{"date":"2026-08-30","price":2.64},{"date":"2026-09-01","price":2.69},{"date":"2026-09-03","price":2.8},{"date":"2026-09-05","price":2.73}],"series_key":"671031|Foil","series_printing":"Foil"},"vendor_links":{"cardmarket_url":null,"ebay_search_url":"https://www.ebay.com/sch/i.html?_nkw=Chomping%20Changeling%20Lorwyn%20Eclipsed&mkcid=1&mkrid=711-53200-19255-0&campid=5339074870&toolid=10001","pokemontcg_url":null,"scryfall_url":"https://scryfall.com/search?q=Chomping%20Changeling","tcgplayer_url":"https://www.tcgplayer.com/search/all/product?q=Chomping%20Changeling%20Lorwyn%20Eclipsed&partner=7060428&utm_campaign=affiliate&utm_medium=tcgvibes&utm_source=tcgvibes"},"_handle":{"canonical_id":"244e397216c0","game":"mtg","html":"https://tcgvibes.com/cards/244e397216c0","methodology":"https://tcgvibes.com/methodology","witness_chain":"https://tcgvibes-witness.jjk91525.workers.dev/chain/latest","build_shard":"cards/mtg/builds/00f025b89d744f40/24.json","provenance_fields":["price.fetched_at_utc","price.latest_market_price","price.primary_printing","meta.build_inputs_sha","meta.methodology_version","meta.schema_version","meta.confidence_tier","meta.generated_at_utc"],"reading":"`provenance_fields` lists the provenance keys THIS record actually carries, derived from it rather than written down: the price.* entries name the OBSERVATION, the meta.* entries identify the BUILD and the RULE that derived it. The witness chain carries the per-day envelope with its own code_commit and prev_hash. Every field here is served verbatim from the build shard — this block points, it never restates."}}