Close Option Early Calculator
The hardest decision isn't what to open — it's when to close. This calculator does the math so you don't have to guess.
When to Use This Calculator
Pull this up any time you're staring at an open position thinking "should I close this?" Here's when it's most useful:
- You've captured 50%+ of max profit: You sold a put for $2.00 and it's worth $0.80. That's 60% captured with 16 days left. Is it worth waiting? This calculator shows you exactly what you'd leave on the table and how many days of capital lock-up you'd save.
- The stock blew past your call strike: Your covered call is deep ITM. Closing everything — buying back the call and selling shares at market — might net you more than holding to expiration. The calculator checks this automatically.
- You want out of the position: Maybe the company's fundamentals changed. Maybe you're uncomfortable. This shows you the real cost of closing early vs. holding.
- Earnings or ex-div coming up: Binary events change everything. If there's barely any time value left, close before the event and redeploy after.
How This Calculator Works
This calculator compares your outcomes across different closing scenarios. The key number is "left to make" — the difference between your max profit at expiration and what you'd net by closing right now. If there's $30 left to make over 14 days, is that worth locking up $5,000 in capital?
Why Closing Early Sometimes Beats Holding
With covered calls, if the stock runs well past your strike, your shares are worth more than the strike cap. Closing everything — buying back the call and selling shares at market — captures those gains. The calculator detects this and flags it. I've had trades where closing early netted $300 more than holding. Don't leave money on the table out of habit.
Premium Velocity
Think about the rate you earn, not just the amount. Squeezing out the last 15% of premium over 14 days earns almost nothing per day. But closing and selling a fresh 30-day position at 100% premium? Way more income per day. This is why I close at 50-80% of max profit and redeploy. Premium velocity matters more than total premium.
Intrinsic vs Time Value
Option price = intrinsic value + time value. Intrinsic is the real, exercisable portion. Time value is what theta eats every day. As a seller, you make money when time value goes to zero. The calculator shows you exactly how much time value is left so you can decide if it's worth waiting for.
Three Covered Call Scenarios
Hold to expiration: Max profit = premium + capital gain (shares called away at strike). Close everything: Buy back the call and sell shares at market — sometimes better if the stock ran past your strike. Close call, keep shares: Pay to remove the cap and let your shares ride higher.
Related Tools
Key Formulas
Max Profit (Hold) = Premium Received × 100
Left to Make = Max Profit − Current P&L
% Profit Captured = Current P&L / Max Profit × 100
Daily Velocity = Remaining Profit / DTE Remaining
Intrinsic Value = Max(0, Stock Price − Strike) for calls
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Frequently Asked Questions
When should I close a covered call early?
When you've captured 70-85% of max premium and there's 2+ weeks left. Close it, free up the capital, sell a new one. Also close when the stock has blown past your strike — sometimes closing everything nets you more than holding. This calculator shows you exactly when that's the case.
What does 'left to make' mean?
It's the difference between your max profit at expiration and what you'd net by closing right now. If it says $50 left to make, that's $50 you'd gain by holding instead of closing. The question is: is $50 over 14 days worth tying up your capital?
Why would closing early ever make MORE than holding?
This happens with covered calls when the stock runs well past your strike. Your shares are worth more than the strike cap. If you close everything — buy back the call and sell the shares at market — you capture the full stock gain. The calculator detects this automatically.
What is premium velocity?
It's how much premium you're earning per day. Here's the thing: closing at 80% profit on day 18 and selling a new 30-day position at full premium makes you more money per day than sitting around for 12 more days collecting the last 20%. The verdict factors this in.
Should I close my cash-secured put early?
If you've captured 80%+ of the premium, I almost always close and sell a new put. Your capital is barely working at that point. If the stock is dropping toward your strike, that's a different question — it depends on whether you actually want to own those shares.
What's the difference between intrinsic and time value?
Intrinsic value is the real, exercisable portion — how far ITM the option is. Time value is everything else. As an option seller, time value going to zero is literally how you make money. The calculator breaks this down so you can see exactly how much time value is left to capture.
Options involve risk and are not suitable for all investors. All calculations are estimates — actual results will vary. Not financial advice. Full disclosure