timing for sex🤰🏼🙈

So ladies my question is... if I got a super positive opk and we had sex... but that was the only day we could is our chances of conception likely? Because my husband leaves for work out of town tonight we had sex this morning with our positive opk! I just wanna know if I have a chance or not this month 😌
Oh and we had sex two mornings ago as well
Input please