{"@context": "https://schema.org", "@type": "Dataset", "name": "MostExpensiveWatches Price Index (matched repeat-listing)", "description": "Daily repeat-listing price index for ultra-luxury watches, tracking the same individual reference listings across merchants over time.", "url": "https://mostexpensivewatches.net/data/watch-price-index.json", "creator": {"@type": "Organization", "name": "MostExpensiveWatches", "url": "https://mostexpensivewatches.net"}, "isAccessibleForFree": true, "license": "https://creativecommons.org/licenses/by/4.0/", "temporalCoverage": "2026-05-30/2026-07-03", "creditText": "Source: MostExpensiveWatches.net Price Index", "headline": "The MostExpensiveWatches Price Index held essentially flat from 2026-05-30 to 2026-07-03, measured across 13,189 repeat-listed luxury watches.", "gloss": "Between May 30 and July 3, 2026, the repeat-listing price index rose 0.009% across 13,189 matched listings, with A. Lange & Söhne and Patek Philippe increasing 0.14% and 0.02% while Audemars Piguet and Grand Seiko declined 0.1", "compiled_at": "2026-07-03T20:16:09.124158+00:00", "index": {"gloss": "Between May 30 and July 3, 2026, the repeat-listing price index rose 0.009% across 13,189 matched listings, with A. Lange & Söhne and Patek Philippe increasing 0.14% and 0.02% while Audemars Piguet and Grand Seiko declined 0.1", "moved_down": 30, "by_brand": {"Tudor": {"flat": 387, "moved_down": 0, "index": 100.0, "matched_sample": 387, "median_change_pct": 0, "mean_change_pct": 0.0, "moved_up": 0}, "Rolex": {"flat": 2958, "moved_down": 5, "index": 99.992, "matched_sample": 2963, "median_change_pct": 0, "mean_change_pct": -0.008, "moved_up": 0}, "OMEGA": {"flat": 1516, "moved_down": 1, "index": 99.992, "matched_sample": 1517, "median_change_pct": 0, "mean_change_pct": -0.008, "moved_up": 0}, "Jaeger-LeCoultre": {"flat": 182, "moved_down": 0, "index": 100.0, "matched_sample": 182, "median_change_pct": 0, "mean_change_pct": 0.0, "moved_up": 0}, "Vacheron Constantin": {"flat": 363, "moved_down": 1, "index": 99.978, "matched_sample": 364, "median_change_pct": 0, "mean_change_pct": -0.022, "moved_up": 0}, "A. Lange & Söhne": {"flat": 140, "moved_down": 0, "index": 100.142, "matched_sample": 141, "median_change_pct": 0, "mean_change_pct": 0.142, "moved_up": 1}, "IWC": {"flat": 141, "moved_down": 0, "index": 100.0, "matched_sample": 141, "median_change_pct": 0, "mean_change_pct": 0.0, "moved_up": 0}, "Audemars Piguet": {"flat": 232, "moved_down": 4, "index": 99.882, "matched_sample": 237, "median_change_pct": 0, "mean_change_pct": -0.118, "moved_up": 1}, "Grand Seiko": {"flat": 272, "moved_down": 1, "index": 99.969, "matched_sample": 273, "median_change_pct": 0, "mean_change_pct": -0.031, "moved_up": 0}, "Cartier": {"flat": 594, "moved_down": 1, "index": 99.992, "matched_sample": 595, "median_change_pct": 0, "mean_change_pct": -0.008, "moved_up": 0}, "Patek Philippe": {"flat": 792, "moved_down": 2, "index": 100.023, "matched_sample": 798, "median_change_pct": 0, "mean_change_pct": 0.023, "moved_up": 4}, "Breitling": {"flat": 657, "moved_down": 0, "index": 100.0, "matched_sample": 657, "median_change_pct": 0, "mean_change_pct": 0.0, "moved_up": 0}}, "status": "ok", "as_of_date": "2026-07-03", "series": [{"flat": 13457, "date": "2026-05-30", "index": 100.0, "moved_down": 0, "matched_sample": 13457, "median_change_pct": 0, "mean_change_pct": 0.0, "moved_up": 0}, {"flat": 12842, "date": "2026-06-05", "index": 100.011, "moved_down": 4, "matched_sample": 12852, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 6}, {"flat": 13403, "date": "2026-06-06", "index": 100.01, "moved_down": 5, "matched_sample": 13414, "median_change_pct": 0, "mean_change_pct": 0.01, "moved_up": 6}, {"flat": 12104, "date": "2026-06-07", "index": 100.011, "moved_down": 5, "matched_sample": 12115, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 6}, {"flat": 11003, "date": "2026-06-08", "index": 100.009, "moved_down": 5, "matched_sample": 11013, "median_change_pct": 0, "mean_change_pct": 0.009, "moved_up": 5}, {"flat": 13390, "date": "2026-06-09", "index": 100.01, "moved_down": 5, "matched_sample": 13401, "median_change_pct": 0, "mean_change_pct": 0.01, "moved_up": 6}, {"flat": 13377, "date": "2026-06-10", "index": 100.01, "moved_down": 5, "matched_sample": 13388, "median_change_pct": 0, "mean_change_pct": 0.01, "moved_up": 6}, {"flat": 12905, "date": "2026-06-11", "index": 100.01, "moved_down": 5, "matched_sample": 12916, "median_change_pct": 0, "mean_change_pct": 0.01, "moved_up": 6}, {"flat": 13352, "date": "2026-06-12", "index": 100.01, "moved_down": 10, "matched_sample": 13377, "median_change_pct": 0, "mean_change_pct": 0.01, "moved_up": 15}, {"flat": 13336, "date": "2026-06-13", "index": 100.009, "moved_down": 12, "matched_sample": 13363, "median_change_pct": 0, "mean_change_pct": 0.009, "moved_up": 15}, {"flat": 13328, "date": "2026-06-14", "index": 100.009, "moved_down": 13, "matched_sample": 13356, "median_change_pct": 0, "mean_change_pct": 0.009, "moved_up": 15}, {"flat": 13326, "date": "2026-06-15", "index": 100.009, "moved_down": 13, "matched_sample": 13354, "median_change_pct": 0, "mean_change_pct": 0.009, "moved_up": 15}, {"flat": 13317, "date": "2026-06-16", "index": 100.011, "moved_down": 13, "matched_sample": 13346, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 16}, {"flat": 13290, "date": "2026-06-17", "index": 100.017, "moved_down": 15, "matched_sample": 13329, "median_change_pct": 0, "mean_change_pct": 0.017, "moved_up": 24}, {"flat": 13270, "date": "2026-06-18", "index": 100.017, "moved_down": 15, "matched_sample": 13310, "median_change_pct": 0, "mean_change_pct": 0.017, "moved_up": 25}, {"flat": 13013, "date": "2026-06-19", "index": 100.018, "moved_down": 15, "matched_sample": 13053, "median_change_pct": 0, "mean_change_pct": 0.018, "moved_up": 25}, {"flat": 13239, "date": "2026-06-20", "index": 100.018, "moved_down": 17, "matched_sample": 13282, "median_change_pct": 0, "mean_change_pct": 0.018, "moved_up": 26}, {"flat": 13237, "date": "2026-06-21", "index": 100.018, "moved_down": 17, "matched_sample": 13280, "median_change_pct": 0, "mean_change_pct": 0.018, "moved_up": 26}, {"flat": 13227, "date": "2026-06-22", "index": 100.018, "moved_down": 18, "matched_sample": 13271, "median_change_pct": 0, "mean_change_pct": 0.018, "moved_up": 26}, {"flat": 13215, "date": "2026-06-23", "index": 100.017, "moved_down": 19, "matched_sample": 13260, "median_change_pct": 0, "mean_change_pct": 0.017, "moved_up": 26}, {"flat": 13195, "date": "2026-06-24", "index": 100.016, "moved_down": 21, "matched_sample": 13242, "median_change_pct": 0, "mean_change_pct": 0.016, "moved_up": 26}, {"flat": 13187, "date": "2026-06-25", "index": 100.015, "moved_down": 23, "matched_sample": 13236, "median_change_pct": 0, "mean_change_pct": 0.015, "moved_up": 26}, {"flat": 13182, "date": "2026-06-26", "index": 100.011, "moved_down": 29, "matched_sample": 13237, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 26}, {"flat": 13176, "date": "2026-06-27", "index": 100.011, "moved_down": 29, "matched_sample": 13231, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 26}, {"flat": 13175, "date": "2026-06-28", "index": 100.011, "moved_down": 29, "matched_sample": 13230, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 26}, {"flat": 13174, "date": "2026-06-29", "index": 100.011, "moved_down": 29, "matched_sample": 13229, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 26}, {"flat": 13166, "date": "2026-06-30", "index": 100.011, "moved_down": 30, "matched_sample": 13222, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 26}, {"flat": 13150, "date": "2026-07-01", "index": 100.011, "moved_down": 30, "matched_sample": 13207, "median_change_pct": 0, "mean_change_pct": 0.011, "moved_up": 27}, {"flat": 13145, "date": "2026-07-02", "index": 100.012, "moved_down": 30, "matched_sample": 13204, "median_change_pct": 0, "mean_change_pct": 0.012, "moved_up": 29}, {"flat": 13133, "date": "2026-07-03", "index": 100.009, "moved_down": 30, "matched_sample": 13189, "median_change_pct": 0, "mean_change_pct": 0.009, "moved_up": 26}], "methodology": "Repeat-listing index. Baseline = first captured day (index 100). Each day tracks the mean price change of the same individual reference listings observed on both the baseline day and that day, so inventory churn cannot move the index. Source: MostExpensiveWatches daily cross-merchant price capture.", "baseline_median_usd": 10030.0, "change_since_baseline_pct": 0.009, "flat": 13133, "days_tracked": 30, "matched_sample": 13189, "current_index": 100.009, "compiled_at": "2026-07-03T20:16:09.124158+00:00", "baseline_date": "2026-05-30", "moved_up": 26}}