Should I Average Down?

Before you size an add

Averaging down improves your average price — it does not improve the trade.

Averaging down lowers your average price, but it also increases your risk.Most traders focus on the first part and ignore the second. Adding to a loser is only smart if the total risk still fits your system. If the add came from hope, stress, or needing to be right instead of a plan, it was probably a bad add even if the trade eventually works.

Leg 1

Opening fill

Position size is contracts. Notional uses premium (per share) × 100 for standard U.S. equity options.

Position size
Premium (per share)
$
Notional

Leg 2

Add / average

Add
Position size
Premium (per share)
$
Notional
Pause checklist

Unchecked items don't block the math — they're intentional friction against impulse adds.

Optional broker context Underlying + premium → mark P&L · delta → spot breakeven · paste from chain (live quotes later)

Stock or ETF symbol for the underlying (e.g. SPY). Does not change the math — labels your notes only.

Describe the exact line: strike, call or put, and expiry (e.g. "605 call exp May 16"). Same as ticker — for clarity only until we wire quotes.

DTE = calendar days until expiration (0 = expires today / 0DTE). We translate this into rough trading minutes for time-decay scoring — not exact exchange clocks.

For 0 DTE, minutes left until you plan to exit or until the regular session ends — whichever matters for your trade. Used only when DTE is 0.

Last price (or your mark) of the stock or index the option is on — the number you watch on the chart, not the option price.

Premium now is the option's current price per share of exposure (the quote like 2.35). One contract covers 100 shares, so dollars per contract = premium × 100.

Delta from your chain: roughly how much the option price moves per $1 move in the underlying. Calls are positive, puts negative. We use it to estimate how far spot must move for your blended premium to break even.

Optional: broker's one-day expected range (often from an ATM straddle). Lets us compare your breakeven move to how much volatility is priced in.

Optional: theta per contract per hour from the chain (usually shown as a negative dollar amount). Rough check on how fast premium decays over the time you entered above.

What you're trading
Ticker
Contract
DTE (days)
Quotes for this trade
Underlying price
$
Premium now
$
Delta

Paste from broker; calls positive, puts negative.

Fine-tuning
1-day implied move (%)
Theta / contract / hour ($)