Rankings feel stable when you check them once a week. Check them every day and a different picture emerges. We tracked a cohort of 200 keywords daily for a month and counted how often the top organic result was different from the day before.
Published July 5, 2026 · cloro monitoring corpus · 200 keywords · 5,755 consecutive-day pairs
31.7%
of consecutive days saw the #1 result change
1,826
#1-position changes across 5,755 day-pairs
200
keywords tracked daily for 30 days
Across the cohort, the top organic result changed on 31.7% of consecutive days — 1,826 changes over 5,755 day-pairs. Roughly one day in three, the result sitting at position #1 for a tracked keyword is not the one that was there yesterday.
And the churn is wildly uneven. The calmest keywords barely moved all month, while the most turbulent one cycled through 16 different #1 domains and changed on 93% of days. A single "average volatility" number hides that spread — which is exactly why per-keyword history matters more than a portfolio average.
If a third of your money keywords can change their top result overnight, a weekly rank check misses most of the movement and a monthly one is noise. Daily is the floor for anything commercial — and for the most volatile terms, even daily only catches the state at one moment.
It also reframes what a ranking "drop" is. On a high-volatility keyword, a single-day dip is often just churn, not a trend; on a stable keyword, the same one-position move is a real signal. Reading movement correctly means knowing each keyword's baseline volatility — which only daily history gives you.
A cohort of 200 keywords with at least 20 days of coverage in a 30-day window was drawn from cloro's monitoring corpus (5,755 consecutive-day pairs). For each pair we compared the top organic domain day-over-day; a "change" is any day whose #1 domain differs from the prior day's. The cohort is customer-monitored queries (conversational, branded, multilingual), so read the figure as directional daily #1-position churn rather than a universal constant across all of Google.
cloro. (July 5, 2026). Rank Volatility: How Often the #1 Google Result Actually Changes. cloro Research. https://cloro.dev/research/rank-volatility/
More studies from cloro's monitoring corpus are in the research index.
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