大石昌良【オーイシマサヨシ】 engagement report
@Masayoshi_Oishi - 730K followers on X
Measured over 45 original posts from a 30-day window, last computed on October 1, 2026.
Engagement
A typical post picks up 5.4K interactions against 730K followers, an engagement rate of 0.746%. Measured over 45 original posts, its engagement rate beats 95% of 21,185 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 153K times each, and 3.55% of those impressions turn into an interaction. That is about 20.9% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.6 posts a day over the last 30 days, with activity on roughly 57% of days. Most posts go out around 23:00 UTC, and Monday is the busiest day of the week. Of the 45 posts sampled, 64% carry an image or video and 31% link out. The account's strongest tracked post pulled 75K interactions, about 14x its own typical post. Recurring topics include #オーイシマサヨシ, #大石武道館, #オーイシ武道館.
Measured over 45 original posts from a 30-day window, last computed on October 1, 2026. Recurring tags: #オーイシマサヨシ, #大石武道館, #オーイシ武道館.
Compared with accounts its own size
大石昌良【オーイシマサヨシ】's engagement rate beats 95% of the tracked X accounts closest to it in follower count (21,185 accounts, accounts of similar size (decile 10 of 10)). A percentile is spread evenly by construction, so 50 really is the middle of that group and 90 really is its top tenth.
On engagement per impression rather than per follower it beats 82% of the same group. When those two numbers disagree, the gap is about how far its posts travel rather than how people react to them.
Where this sits in the catalog
At 0.746%, 大石昌良【オーイシマサヨシ】 sits above the 75th percentile of the 212,656 accounts in this comparison. That places it in the top 25% band, which runs 0.697% to 2.61%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.025% |
| 50th percentile | 0.146% |
| 75th percentile | 0.697% |
| 90th percentile | 2.61% |
| 99th percentile | 82.9% |
This ruler is the whole measured catalog, not a size-matched group: it shows where the raw rate falls across every account we can measure, all of which are large. For a like-for-like comparison, read the size-band percentile above instead. See how the bands are built
Posting timing
This account posts most often around 23:00 UTC, and Monday is its busiest day of the week. The bars below are the catalog-wide pattern, with this account's own busiest slot marked. They do not show how this account performs at each hour: we keep one aggregate per account, not one per hour, so that measurement does not exist in our data.
Show engagement by hour posted, utc as a table
| Hour (UTC) | Vs author median | Posts |
|---|---|---|
| 00:00 UTC | -1% | 89K |
| 01:00 UTC | -2% | 90K |
| 02:00 UTC | -3% | 88K |
| 03:00 UTC | -4% | 94K |
| 04:00 UTC | -5% | 76K |
| 05:00 UTC | -4% | 75K |
| 06:00 UTC | -5% | 86K |
| 07:00 UTC | -5% | 93K |
| 08:00 UTC | -4% | 108K |
| 09:00 UTC | -4% | 124K |
| 10:00 UTC | -3% | 129K |
| 11:00 UTC | -3% | 141K |
| 12:00 UTC | -3% | 154K |
| 13:00 UTC | -3% | 167K |
| 14:00 UTC | -4% | 173K |
| 15:00 UTC | -2% | 176K |
| 16:00 UTC | -3% | 171K |
| 17:00 UTC | -3% | 159K |
| 18:00 UTC | -2% | 149K |
| 19:00 UTC | -2% | 141K |
| 20:00 UTC | -1% | 131K |
| 21:00 UTC | 0% | 116K |
| 22:00 UTC | -2% | 100K |
| 23:00 UTC | -1% | 90K |
Show engagement by day of week as a table
| Day | Vs author median | Posts |
|---|---|---|
| Sunday | +5% | 393K |
| Monday | +1% | 483K |
| Tuesday | -2% | 520K |
| Wednesday | -3% | 472K |
| Thursday | -2% | 430K |
| Friday | -3% | 447K |
| Saturday | +2% | 393K |
Formats this account uses
Its own posting mix on the left, and what each of those formats does across every account we track on the right. Only formats where the effect clears our publish test appear here, so an empty row is a format we could not measure rather than one that does nothing.
| Format | This account | Catalog effect | 95% interval | Accounts behind it |
|---|---|---|---|---|
| Image or video | 64% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 31% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | -8% | -9% to -7% | 41K |
- 64% of this account's sampled posts carry an image or video. Across the catalog, posts with an image or video run 111% above the same accounts' other posts.
- 31% of its posts carry a link off X. Across the catalog, posts with an outbound link run 41% below the same accounts' other posts.
- Its average post runs 56 characters, which falls in the under 80 characters band. Across the catalog, posts under 80 characters run 8% below the same accounts' other posts.
These are catalog-wide differences applied to this account's own posting mix, not a measurement of how each format performs for this account specifically. We keep one median per account, not one per format per account, so the second thing is not something this data can tell you.
Best tweets
- Sep 26, 202614x their median
【ご精査ください】 オーイシマサヨシ→ ←花江夏樹くん https://t.co/dRxI2IJYpG
- Aug 16, 20269.8x their median
自信持とうぜホロライブはいいぞ https://t.co/0YaohDadBG
- Sep 28, 20267.4x their median
大阪のみんなへ 高槻でライブします 無料です 僕より https://t.co/c2cRRcIIJS https://t.co/qUdZAzN3Bp
- Aug 26, 20265.9x their median
オーイシマサヨシ!!!!!!!! 本日デビュー12周年です!!!!! 本当にありがとうございます!!!! https://t.co/PQy1YThWt4
- Sep 7, 20265.1x their median
ハイパーゲーム大会テーマソング作ります!!!! そして当日歌います!!!!! https://t.co/er2xlzVeLD
- Aug 23, 20265.0x their median
ダーウィンが来たウニ特集でUNION流れたらしいNHKさんそれウニオンやないユニオンや
- Aug 28, 20264.3x their median
ネットでいつの間にか寿司職人にされていた件 https://t.co/d3s56NhzJ0
- Sep 22, 20264.2x their median
来年2027年!!!!!!!! オーイシ武道館Vol.4 & オーイシ武道館Vol.5 やるぞ!!!!!!!!!!!!! https://t.co/HhskAd1k9Y
- Sep 5, 20264.1x their median
さすがに盛り上がったポケモンオールスターズ1025 https://t.co/0Xar2Lj4sG
- Jul 25, 20263.4x their median
【速報】 やりますやれます!!! オーイシ1000円!!!!! Abemaさんが協力してくれることになりました!!!!!!! 価格は!!!! 1,000円です!!!!!!!! https://t.co/gyOENoPDvE https://t.co/JGAT0QBFn0
Ranked by total interactions across everything we have tracked for this account, which is a longer history than the 30-day window the rates above use. The multiple compares each post to this account's own median.
Recurring topics
The most frequent hashtags in the sampled posts. They describe what this account writes about; they are not a performance signal, and the catalog-wide breakdown on the hub shows how little hashtag count moves.
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Reading these numbers
A typical post picks up 5.4K interactions against 730K followers, an engagement rate of 0.746%. Measured over 45 original posts, its engagement rate beats 95% of 21,185 tracked accounts of a similar size. Comparing inside a size band matters here: engagement rate falls as accounts grow, so a raw rate would mostly just re-measure the follower count. Posts are seen about 153K times each, and 3.55% of those impressions turn into an interaction. That is about 20.9% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 2.6 posts a day over the last 30 days, with activity on roughly 57% of days. Most posts go out around 23:00 UTC, and Monday is the busiest day of the week. Of the 45 posts sampled, 64% carry an image or video and 31% link out. The account's strongest tracked post pulled 75K interactions, about 14x its own typical post. Recurring topics include #オーイシマサヨシ, #大石武道館, #オーイシ武道館.
- What is 大石昌良【オーイシマサヨシ】's engagement rate on X?
- 大石昌良【オーイシマサヨシ】 (@Masayoshi_Oishi) has an engagement rate of 0.746%, based on the median interactions across 45 original posts from the last 30 days against 729,522 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.746%, 大石昌良【オーイシマサヨシ】 sits above the 75th percentile of the 212,656 accounts in this comparison. Those comparison accounts are all large ones, because our scanning cadence is weighted towards big accounts, so this is a ranking among peers of similar scale rather than a ranking across X.
- Does @Masayoshi_Oishi have real engagement?
- Its engagement rate beats 95% of the tracked X accounts closest to it in follower count (21,185 accounts), which puts it in the top 10% for its size group. Ranking inside a size band matters because engagement rate falls as accounts grow, so a raw rate would mostly re-measure the follower count. It is a starting point for a look at follower quality, not a verdict on it.
- When does @Masayoshi_Oishi post?
- Most posts go out around 23:00 UTC, and Monday is its busiest day, at roughly 2.6 posts per day across the measured window.