{"id":450,"slug":"2026-10-28-tokenized-stock-peg-by-session","day":"2026-10-28","project":"pegwatch","title":"Tokenized stock peg quality by market session — week to 2026-10-28","headline":"The typical tokenized stock holds within 57 bps of its underlying while the US market is open, widening to 207 bps during premarket.","bullets":["premarket: typical symbol median 49 bps, 95th pct 207 bps (12 symbols, 3960 ticks)","overnight: typical symbol median 48 bps, 95th pct 182 bps (12 symbols, 5760 ticks)","afterhours: typical symbol median 38 bps, 95th pct 71 bps (12 symbols, 2880 ticks)","weekend: typical symbol median 24 bps, 95th pct 60 bps (12 symbols, 6912 ticks)","open: typical symbol median 32 bps, 95th pct 57 bps (12 symbols, 4680 ticks)","Figures are per-symbol percentiles aggregated across symbols, so one wide name cannot set the headline.","Outliers excluded from the typical figure: METAx (733 bps during premarket); METAx (358 bps during afterhours); MSTRx (322 bps during weekend).","Measured every 5 minutes against the real underlying trade price, not a quote midpoint."],"sample_n":24192,"payload":{"sessions":[{"session":"premarket","symbols":12,"ticks":3960,"typical_p95_bps":206.7775,"typical_median_bps":49.425,"widest":{"symbol":"METAx","n":330,"p95_bps":732.8,"median_bps":23.799999999999997}},{"session":"overnight","symbols":12,"ticks":5760,"typical_p95_bps":182.22499999999997,"typical_median_bps":47.7,"widest":{"symbol":"METAx","n":480,"p95_bps":491.6,"median_bps":44.9}},{"session":"afterhours","symbols":12,"ticks":2880,"typical_p95_bps":70.6625,"typical_median_bps":37.975,"widest":{"symbol":"METAx","n":240,"p95_bps":358.1549999999998,"median_bps":45}},{"session":"weekend","symbols":12,"ticks":6912,"typical_p95_bps":59.75,"typical_median_bps":24.15,"widest":{"symbol":"MSTRx","n":576,"p95_bps":321.975,"median_bps":104.8}},{"session":"open","symbols":12,"ticks":4680,"typical_p95_bps":56.74999999999996,"typical_median_bps":32.475,"widest":{"symbol":"COINx","n":390,"p95_bps":86.2,"median_bps":41.9}}],"method":"per-symbol percentile, median across symbols"},"x_text":"Tokenized stock peg quality, week to 2026-10-28:\n\npremarket — typical 95th pct 207 bps (12 symbols)\novernight — typical 95th pct 182 bps (12 symbols)\nafterhours — typical 95th pct 71 bps (12 symbols)\nweekend — typical 95th pct 60 bps (12 symbols)\n\nArbitrage holds the peg while the market is open. It widens when it shuts.\nhttps://data.ochinimus.app/r/2026-10-28-tokenized-stock-peg-by-session","created_ts":1793170802}