How to Calculate Reply Rate Per Sequence Step (and Why Your Platform's Number Looks Low)

Reply rate depends on what you divide by, and most sending platforms divide by every email sent. Instantly's help center defines it as replies divided by total sent, and counts auto-replies unless you switch them off, so each follow-up you add lowers the number even when more people reply. Work it out three ways: per prospect (people who replied over people who got step 1), per delivered email, and per step. Leave bounces and out-of-office replies out of both sides.

Sources, read 2 November 2026: Instantly's Analytics help article (reply rate, positive reply rate, Include auto replies, step analytics), and the benchmark definitions in our reply rate benchmarks post.

The three rates, and what each tells you

Rate	Formula	Use it for
Per prospect	unique people who replied ÷ people whose step 1 was delivered	Judging the campaign and the list
Per delivered email	replies ÷ delivered emails, all steps	Comparing with platform dashboards
Per step	replies to step N ÷ step N delivered	Deciding which emails to keep, rewrite or cut

Instantly's positive reply rate is opportunities divided by replies, so it's a share of replies, not of prospects. Keep that in mind when comparing it with an agency's "positive reply rate".

A worked example

1,000 prospects, three steps. 20 bounce on step 1, so 980 get step 1, and everyone who hasn't replied gets steps 2 and 3.

Step	Delivered	Human replies	Step reply rate	Share of replies
1	980	15	1.5%	50%
2	965	10	1.0%	33%
3	955	5	0.5%	17%

• Per prospect: 30 ÷ 980 = 3.1%.
• Per delivered email: 30 ÷ 2,900 = 1.0%.
• Replies divided by all sent, bounces included: 30 ÷ 2,920 = 1.0%, the number a sends-based dashboard shows.

Same campaign, a 3x difference depending on the formula. Step 3 earns a sixth of the replies for a third of the sends; whether it's worth keeping depends on what a reply is worth to you and on how many complaints it causes.

How to work it out for your campaign

1. Export or read off each step: sent, bounced, replies, and positive replies if you track them.
2. Remove auto-replies. In Instantly, turn off Include auto replies in the analytics settings (Instantly says the setting is saved per device). In other tools, filter out-of-office and "no longer with the company" messages before counting.
3. Enter the numbers into the cold email reply rate calculator, up to eight steps. It shows per-prospect and per-email reply rate, positive share, each step's reply rate and share of replies, and each step's bounce rate, flagging any over 2%.
4. Read the bounce column first. A step with a high bounce rate is sending to dead addresses, which also hurts every later step's inbox placement. See bounce rate thresholds by platform.
5. Then compare steps. If step 1 carries most replies, work on the opener and the list. If a follow-up out-performs step 1, the first email may not be reaching the inbox or may be too long.

Honest limits

• Reply counts depend on detection. Platforms match replies to threads; replies from a different address, or forwarded to a colleague, may not count.
• Small numbers swing. With 5 replies on a step, one more or less moves the rate by 20%. Don't rewrite a step on a few hundred sends.
• Replies aren't revenue. The cold email ROI calculator takes the next step from replies to meetings and deals.

If the rate has fallen rather than been low from the start, why cold email reply rates drop covers the usual causes, and follow-up sequences covers step spacing.

Where SimpleVerifier fits

Bounces take people out of the per-prospect denominator before they ever read step 1, and push the rest towards spam. Check the list before the sequence starts on the verify page; the first 100 checks are free with a Google sign-in. Pro is $39 a month with the first 100,000 checks a month at full speed, then slower, never cut off. See pricing.