The cap-gap is the period between when your OPT or STEM OPT expires and when your H-1B status begins on October 1. Understanding cap-gap rules is critical — it determines whether you can legally stay and work in the U.S. during this transition period.
For F-1 students selected in the H-1B lottery, the cap-gap is one of the most confusing and anxiety-inducing aspects of the transition from student to work visa status. Your OPT employment authorization may expire before October 1 — the earliest date an H-1B can take effect for cap-subject petitions. The cap-gap provisions automatically extend your F-1 status and, in many cases, your employment authorization to bridge this gap. This guide explains exactly how the cap-gap works, what happens to your status and work permission, and critical rules about travel.
Quick Answer: The H-1B cap-gap automatically extends F-1 status (and OPT work authorization) from the OPT/STEM OPT expiration date through September 30, for students who are selected in the H-1B lottery and have a timely-filed change of status petition. If your OPT expires before Oct 1, the cap-gap lets you remain in the U.S. legally and continue working for the H-1B petitioning employer. Travel outside the U.S. during cap-gap is extremely risky and generally not recommended.
| Company | Total H-1B Filings |
|---|---|
| Amazon | 55,150 |
| Microsoft | 34,626 |
| 33,416 | |
| Infosys | 32,840 |
| Tata | 28,950 |
| Cognizant | 26,700 |
| Deloitte | 18,200 |
| Apple | 15,800 |
| Meta | 14,900 |
| JPMorgan | 12,400 |
The cap-gap extension is automatic — you do not need to file a separate application. It is triggered when: (1) you are in valid F-1 status with OPT or STEM OPT, (2) your employer files a timely H-1B petition requesting change of status (not consular processing), and (3) you are selected in the H-1B lottery. Your F-1 status and any existing OPT employment authorization are automatically extended through September 30 of that year.
There are two important scenarios: If your OPT EAD expiration date falls between April 1 and September 30, and you have a pending or approved H-1B petition with change of status, the cap-gap extends both your status and work authorization through September 30. If your OPT has already expired but you are still in your 60-day grace period when the H-1B petition is filed, you get a status extension but NOT work authorization during the cap-gap — you can stay but not work.
Critical warning about travel: Leaving the United States during the cap-gap period is extremely risky. If you depart, your F-1 status terminates, and you would need to enter the U.S. on October 1 or later with an H-1B visa stamp — which requires consular processing abroad. Many attorneys advise against any international travel during cap-gap.
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Search H-1B Sponsors on Wisa →It depends on when your OPT expires. If your OPT EAD is still valid when the cap-gap begins (i.e., it expires between the lottery selection date and Sept 30), your work authorization is automatically extended through Sept 30. However, if your OPT already expired and you were in your 60-day grace period when the H-1B was filed, you get a status extension only — no work authorization until Oct 1.
This is extremely risky and most immigration attorneys strongly advise against it. If you leave the U.S. during cap-gap, your F-1 status and cap-gap extension terminate. You would need to re-enter on an H-1B visa stamp after October 1, which means scheduling a consular appointment abroad and getting the visa stamped — a process that can take weeks or months.
If your H-1B petition is denied, your cap-gap extension terminates immediately. You would revert to your normal OPT end date (if still in the future) or enter a standard 60-day F-1 grace period from the denial date if your OPT has expired. During this grace period, you cannot work but can prepare to depart the U.S. or change status.
No. Cap-gap only applies to H-1B petitions filed with a request for change of status (COS). If your employer selected consular processing, you do not receive a cap-gap extension. Your F-1 status ends when your OPT expires, and you would need to depart the U.S. and attend a consular interview to obtain the H-1B visa stamp before re-entering.