Spreading Positions Across Several Expirations
One expiration means one Friday decides your month. Staggering fixes income and risk together.
Worth reading first: Cash-Secured Puts, From Cash to Assignment
Course contents73 lessons · 28 questions
Most people build a premium book one decision at a time, and end up with everything expiring on the third Friday of the month — because that is when the monthlies expire and nothing prompted a different choice.
The result is a portfolio whose entire month is decided by one afternoon, which is a concentration nobody chose and few people notice.
Sizing across a book
Position count and capital per name. Laddering does not change how much you deploy — it changes when each piece resolves, which is a separate axis of risk.
percent of the account
Same date is a correlation
As the correlation lesson puts it: positions that resolve together are one position. Eight puts on eight genuinely unrelated companies, all expiring on the same Friday, are correlated by the date even if nothing else about them is.
One bad week before that Friday tests all eight simultaneously. And because gamma peaks near expiration, all eight are at their most sensitive at the same moment.
| All one date | Laddered weekly | |
|---|---|---|
| Capital at risk in a bad week | $80,000 | $20,000 |
| Positions in high gamma at once | 8 | 2 |
| Decisions on a bad Friday | 8 | 2 |
| Capital freed per week | Once a month | Every week |
| Total premium collected | Similar | Similar |
Eight positions, $80,000 deployed. Two ways to arrange the same book.
The last row is the important one. Laddering costs you essentially nothing in premium. It is a free reduction in concentration, which is unusual — most risk reduction in this course costs income.
How to build one
Divide the book into four. With eight positions, open two per week rather than eight at once.
Keep the duration constant. Every position is still 30 to 45 days out — laddering changes the start dates, not the length. After a month you are in steady state: two expiring and two opening each week.
Let the calendar drive entries. The ladder gives you a natural weekly rhythm instead of a monthly scramble, and a regular cadence produces better decisions than a once-a-month batch.
Ladder the other dimensions too
The same reasoning applies beyond dates.
Strikes. Eight positions all at 0.30 delta means all eight are tested by the same size of move. Varying the delta band spreads that.
Entry timing. Opening everything on one day means every position was sold into the same volatility environment. If that day's IV turns out to have been low, the whole book is underpaid.
The one real cost
More frequent attention. A monthly book needs one session a month; a weekly ladder needs one a week. That is genuinely more work.
In practice it tends to produce better decisions rather than worse ones — a weekly rhythm of two positions is calmer than a monthly rush of eight, and each decision gets more thought. But it is a real time commitment and worth deciding on deliberately.
What can go wrong
Laddering dates but not strikes. Everything at one delta is still one bet on one size of move.
Drifting back to one date. Rolling several positions to the same expiration rebuilds the cluster you dismantled.
Shortening duration to build the ladder faster. Keep the length constant and stagger the starts.
Treating it as a return strategy. It is a risk-shaping tool; the premium is about the same either way.
Key takeaways
- Positions sharing an expiration are correlated by the date, however unrelated the companies are.
- Clustering also concentrates gamma: every position is at its most sensitive on the same afternoon.
- Laddering costs essentially nothing in premium, which makes it unusually cheap risk reduction.
- Keep the duration constant and stagger the start dates; after a month the book is in steady state.
- It also frees capital weekly, which is what makes closing winners early actually worthwhile.
Check your understanding
1. Eight puts on eight unrelated companies all expire the same Friday. What is the risk?
2. What does laddering cost in premium?
3. Beyond dates, what else should be laddered?