How Delta Hedging Actually Works
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Average call and put delta by strike distance from spot (SPY, 25 to 35 days to expiry, June 2026)ranking ·
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What Is the Put-Call Ratio? A Data Guide
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Put-call ratio by underlying: five of the most active names, June 2026ranking ·
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Market-wide put-call ratio by day: every listed US option, June 1 through July 10, 2026series ·
2026-08-11 · 28×4
The June 2026 put-call range: median, high and low of the daily market-wide ratioscalar ·
2026-08-11 · 1×50.793
Index-linked vs single-stock options: put-call ratio by population, June 2026ranking ·
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Put-call ratio by days to expiration: every listed US option, June 2026ranking ·
2026-08-11 · 5×4
Portfolio Delta and Beta Weighting Explained
AAPL call and put delta across the strike ladder, 20 to 45 days to expiryranking ·
2026-08-06 · 12×4
A three-leg book, raw delta against beta weighted deltatable ·
2026-08-06 · 3×6
The same two betas, measured over six different lookback windowsranking ·
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Beta, price ratio, and SPY-share equivalent per share heldranking ·
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Protective Puts: Portfolio Insurance
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100 SPY shares alone vs. the same shares with one $740 put held against themseries ·
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The SPY $760 call you could sell to finance the put (early June 2026)series ·
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Buying and Selling Put Options
One SPY $740 put's price over its life (expired Jun 18 2026)series ·
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SPY's closing price over the same windowseries ·
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Total daily movement versus net movement, June 2026
Total daily movement versus net movement, June 2026
| ticker | path_length_pct | net_move_pct | path_to_net_ratio |
|---|---|---|---|
| MSFT | 43.2 | 19 | 2.3 |
| AAPL | 33.7 | 5.5 | 6.1 |
| KO | 23.3 | 3.3 | 7 |
| SPY | 17.6 | 1.6 | 11.4 |
the exact SQL behind every number
SELECT
ticker,
round(path, 1) AS path_length_pct,
round(net, 1) AS net_move_pct,
round(path / greatest(net, 0.05), 1) AS path_to_net_ratio
FROM
(
SELECT
ticker,
arraySum(arrayMap((a, b) -> abs(a / b - 1) * 100,
arraySlice(px, 2),
arraySlice(px, 1, length(px) - 1))) AS path,
abs(px[-1] / px[1] - 1) * 100 AS net
FROM
(
SELECT
ticker,
arrayMap(t -> t.2, arraySort(t -> t.1, groupArray((session_date, session_close)))) AS px
FROM
(
SELECT
ticker,
date AS session_date,
toFloat64(max(close)) AS session_close
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('SPY', 'AAPL', 'MSFT', 'KO')
AND date >= '2026-06-01'
AND date < '2026-07-01'
GROUP BY ticker, date
)
GROUP BY ticker
)
)
ORDER BY path_to_net_ratio
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