Schwab Protected Diagonal & Calendar Scanner

Market data Schwab Market Data API

Symbol

Strikes / Side120 strikes

Fetch Start DTE Fetch End DTE

Auto

Protected Reverse Diagonal / Calendar Theory: In reverse setups, you BUY the Near Term and SELL the Far Term. Because the near-term long expires first, brokers treat the far short as naked, demanding massive collateral. Adding the Far Cap (3L) long leg on the far expiry caps the risk into a defined spread, slashing required Buying Power!

Protected Strategy Generator 1-Wing (3L Protected) & 2-Wing (6L Protected) Engine

Architecture Strategy Preset Max Results Near Expiration Far Expiration

Wing 1 (3L Protected Single Sided) Call · Near Long / Far Short +5w Cap

Type

Diag Width ⓘDiagonal WidthNumber of strike steps between Near Long and Far Short.> 0: Standard OTM Diag
0: Calendar Spread
< 0: Inverted / Credit Diag+3 steps

Far Cap (3L)+5w Cap

Quantity1×

Scan Axis

Vary StrikesVary Expiry

Pricing Basis

Natural (Marketable)Mid (Midpoint)

Spread Widths ⓘSynchronize Spread WidthsWhen "Same Width" is selected, changing the width on any spread automatically synchronizes all other spreads to the same width value.Ex: Setting Wing 1 width to 10 sets Wing 2 to 10.

Independent Same Width (Synced)

Far Caps (3L) ⓘSynchronize Far Protective CapsWhen "Same Cap" is selected, changing the Far Cap on either wing automatically synchronizes both wings to the same cap width value.Ex: Setting Wing 1 cap to +5w sets Wing 2 to +5w.

Independent Same Cap (Synced)

Price Travel Range (P/L Scope) ⓘTarget Price Travel HorizonLimits the P/L and Peak Gain evaluation strictly to this expected price move window around spot at near expiration.Ex: ±1% calculates the maximum profit within a ±1% price move.

1σ Move: ~0.8%