Worth opening today · Oct 12 · SigmaRange

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Market closedUpdated Oct 12 close

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Daily card · Oct 12 regular-session close

Worth opening today

Where options support could catch price — a watchlist, not a forecast. Published Oct 12, 5:45 PM EDT.

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Trading above +1σ Trading below −1σ GEX floor at −1σ Widest expected move Today’s card

PublishedOct 12, 5:45 PM EDTData basisHide

Price basis: Regular-session close
Extended hours: Excluded
Last observation: Oct 12 close
Adjustment: As supplied upstream; not re-adjusted here

A daily snapshot, not a live quote. Prices are taken as the upstream feed supplies them.

Largest options support

The thickest gamma under spot, wherever the band sits

AAPLAPPLE$340.97+1.29%

+0.42σ$340.00$326.31 – $346.97±3.1%

APPLE

GEX $340.00· 38%

$326.31 – $346.97±3.1%+0.42σ

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A statistical view of the market: where each symbol sits inside its own expected range, rather than another list of prices.

Board My Sigma Calculator Guide Learn Data · Editorial Trading above +1σ Trading below −1σ GEX floor at −1σ Widest expected move Today’s card About · Contact Privacy policy

Band anchor: Oct 9 close
Band window: Oct 9 – Oct 16

Settled regular-session closes and option-implied move data. Not investment advice.

Normal assumption · ±1σ ≈ 68% (theoretical)

SNPSSYNOPSYS$502.51−1.47%

−0.28σ$500.00$482.96 – $537.02±5.3%

SYNOPSYS

$502.51−1.47%

GEX $500.00· 38%

$482.96 – $537.02±5.3%−0.28σ

XLFFinancial Select Sector SPDR$55.05+0.58%

+0.23σ$55.00$53.35 – $56.11±2.5%

Financial Select Sector SPDR

GEX $55.00· 36%

$53.35 – $56.11±2.5%+0.23σ

XLUUtilities Select Sector SPDR$41.63+0.53%

+0.25σ$41.00$40.54 – $42.28±2.1%

Utilities Select Sector SPDR

GEX $41.00· 35%

$40.54 – $42.28±2.1%+0.25σ

MDTMEDTRONIC$91.93+3.90%

+0.74σ$90.00$83.83 – $93.13±5.3%

MEDTRONIC

GEX $90.00· 34%

$83.83 – $93.13±5.3%+0.74σ