When Is SQ Day for Nikkei 225 Options?
Opening prints against the previous close: settlement Friday vs an ordinary Fridayranking ·
2026-08-16 · 8×3
Share of SPY session volume printed in the opening minute, third Friday vs other Fridaysseries ·
2026-08-16 · 11×4
SPY volume by ET clock minute around the open, 13 March vs 20 March 2026series ·
2026-08-16 · 46×3
Japanese IPO Lockups: The 1.5x Release Rule
One US listing traced against a flat line at 1.5x its offer priceseries ·
2026-08-07 · 82×3
Share of US listings trading at 1.5x their offer price, by day since listingranking ·
2026-08-07 · 19×2
US listings clearing 1.5x the offer price on the first close, by listing yearranking ·
2026-08-07 · 8×4
Nikkei 225 Options and SQ Settlement
SPY implied volatility vs the volatility realized in the following monthseries ·
2026-08-03 · 23×5
Implied vs realized volatility, six heavily traded US underlyings, twelve months to June 30, 2026ranking ·
2026-08-03 · 6×4
Median theta and implied volatility by days to expiry: near-the-money SPY contracts, H1 2026table ·
2026-08-03 · 60×4
SPY on monthly settlement Fridays: the opening gap, and where the session went afterwardsseries ·
2026-08-03 · 16×4
Opening prints on settlement morning, May 15, 2026: twelve large US constituentsranking ·
2026-08-03 · 12×3
Trading US 0DTE Options From Japan
Same-day options volume by Japan Standard Time hour: all US-listed options, Friday July 10, 2026ranking ·
2026-07-31 · 7×4
Median bid-ask spread on SPY same-day contracts quoted $1-$10, by Japan Standard Time hour: July 10, 2026ranking ·
2026-07-31 · 7×4
Japanese local time of each US session boundary, January against July: static illustrative reference for 2026series ·
2026-07-31 · 4×4
The US trading day converted into Japan Standard Time: static illustrative reference, July 2026series ·
2026-07-31 · 6×5
Opening prints against the previous close: settlement Friday vs an ordinary Friday
Opening prints against the previous close: settlement Friday vs an ordinary Friday
| symbol | settlement_open_gap_pct | ordinary_open_gap_pct |
|---|---|---|
| XOM | 0.75 | 0.5 |
| PG | 0.1 | 0.58 |
| JPM | 0.04 | 0.63 |
| KO | 0.02 | -0.18 |
| NVDA | -0.31 | 0.97 |
| JNJ | -0.32 | 0.9 |
| AAPL | -0.4 | -0.11 |
| MSFT | -0.57 | -0.21 |
the exact SQL behind every number
SELECT
ticker AS symbol,
round(100 * (toFloat64(anyIf(open, date = '2026-03-20'))
/ toFloat64(anyIf(close, date = '2026-03-19')) - 1), 2) AS settlement_open_gap_pct,
round(100 * (toFloat64(anyIf(open, date = '2026-03-13'))
/ toFloat64(anyIf(close, date = '2026-03-12')) - 1), 2) AS ordinary_open_gap_pct
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('AAPL', 'MSFT', 'NVDA', 'JPM', 'JNJ', 'KO', 'PG', 'XOM')
AND date IN ('2026-03-12', '2026-03-13', '2026-03-19', '2026-03-20')
GROUP BY ticker
HAVING countIf(date = '2026-03-12') > 0
AND countIf(date = '2026-03-13') > 0
AND countIf(date = '2026-03-19') > 0
AND countIf(date = '2026-03-20') > 0
ORDER BY settlement_open_gap_pct DESC
More from this analysisWhen Is SQ Day for Nikkei 225 Options?
SPY volume by ET clock minute around the open, 13 March vs 20 March 2026
series 46×3
→
Share of SPY session volume printed in the opening minute, third Friday vs other Fridays
series 11×4
→
Opening prints on settlement morning, May 15, 2026: twelve large US constituents
ranking 12×3
→
Implied vs realized volatility, six heavily traded US underlyings, twelve months to June 30, 2026
ranking 6×4
→
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