Kazuki Fujisawa engagement report
@kazu_fujisawa - 208K followers on X
Measured over 49 original posts from a 30-day window, last computed on October 6, 2026.
Engagement
A typical post picks up 28 interactions against 208K followers, an engagement rate of 0.013%. Measured over 49 original posts, its engagement rate beats 27% of 20,444 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 12K times each, and 0.241% of those impressions turn into an interaction. That is about 5.58% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 4 posts a day over the last 30 days, with activity on roughly 53% of days. Most posts go out around 11:00 UTC, and Sunday is the busiest day of the week. Of the 49 posts sampled, 49% carry an image or video, 20% are part of a thread and 31% link out. The account's strongest tracked post pulled 65K interactions, about 2493x its own typical post. Recurring topics include #藤沢数希, #週刊金融日記, #金融日記.
Measured over 49 original posts from a 30-day window, last computed on October 6, 2026. Recurring tags: #藤沢数希, #週刊金融日記, #金融日記.
Compared with accounts its own size
Kazuki Fujisawa's engagement rate beats 27% of the tracked X accounts closest to it in follower count (20,444 accounts, accounts of similar size (decile 9 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 14% 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 0.013%, Kazuki Fujisawa sits above the 10th percentile of the 205,152 accounts in this comparison. That places it in the bottom 25% band, which runs below 0.024%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.024% |
| 50th percentile | 0.143% |
| 75th percentile | 0.678% |
| 90th percentile | 2.55% |
| 99th percentile | 82.4% |
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 11:00 UTC, and Sunday 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 | 49% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 31% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | -3% | -3% to -2% | 54K |
- 49% 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 87 characters, which falls in the 80 - 180 characters band. Across the catalog, posts of 80 to 180 characters run 3% 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
- Aug 21, 20222493x their median
なんかいま香港とか英語圏コミュニティは、すごく良い条件を提示してカンボジアの会社にヘッドハントして呼んで、実際は詐欺集団の犯罪グループが背後にいて、外国人が臓器抜かれたりするすごい事件の話で持ちきりなんだけど、日本語圏ではぜんぜん話題になってないな。
- Oct 5, 2026579x their median
【速報】大和証券に不正アクセス、22万件漏えいか https://t.co/RL3ZXACTit
- Sep 9, 202649x their median
ていうか、OpenAIが内部でGPT-6よりはるかに強力なモデル持ってて、それで専用チップの設計してるなら、NVIDIAの革ジャンが中国のオープンウエイトAI推進にあれほど熱心で、SKと組んで韓国に巨大データセンター建造を急いでいるのもぜんぶつながる。革ジャン、基本的にぜんぶ分かってるのよな。
- Oct 3, 202640x their median
マジで定期的に読みたくなるやつ。 落合陽一全盛期頃に、「起業家やめて落合陽一ゼミに入るために筑波の院に行く」と言い残して消えた彼は元気にしてるのだろうか。 【サバの話だったの?】WEEKLY OCHIAIというコント、あるいは地獄について。 https://t.co/fnSosuwyAU
- Jan 17, 202537x their median
【解説】新幹線の足置きは正しい使い方がある? 「表裏があるなんて」 https://t.co/fz4LWNXSAl JR東海の広報担当者は、フットレストは「床のカーペットと同じ面は靴を履いた状態での使用、座席シートと同じ面については靴を脱いでの使用を想定しています」と説明した。 https://t.co/V2ph58ISsb
- Oct 5, 202630x their median
東芝がキオクシアをさらに売ってそのお金でHDDにゼンツッパ 男の嫉妬は恐ろしいんですよ
- Sep 30, 20267.6x their median
日本の大学の人事というのは一見、公平な公募に見えて、じつはすでに内部で決まっていて、形式的に公募をやっているだけみたいなのがたくさんありますよ。そして、一旦採用されれば、終身雇用で、業績出さなくても首にならない。これでひたすら世界の中で地位が落ち続けていますが、仕方ない。
- Sep 29, 20265.6x their median
香港だと築66年の45㎡でもリノベして1.5億円ぐらいで売れるから、東京のタワマンの建て替え問題なんか、気にしなくいいんですよね。 https://t.co/G63CDHfEyb
- Sep 13, 20264.9x their median
AIの数学の力がどれだけ上がっても、数学教育の重要性は変わりませんし、もっと重要になりますよ。というのも、最低でも、トップ大学の数学科のカリキュラムぐらいは当たり前にやってないと、数学者の言葉を話すAIとまったく話が通じないですからね。
- Sep 30, 20264.4x their median
AI時代になって、AIがなかった時代に書いた論文の実績とか、日本の入試みたいに何も見ないペーパーテストの合格とか、そういうののシグナリング価値が上がりそうな気がする。あと、語学も重要だな。
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 28 interactions against 208K followers, an engagement rate of 0.013%. Measured over 49 original posts, its engagement rate beats 27% of 20,444 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 12K times each, and 0.241% of those impressions turn into an interaction. That is about 5.58% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 4 posts a day over the last 30 days, with activity on roughly 53% of days. Most posts go out around 11:00 UTC, and Sunday is the busiest day of the week. Of the 49 posts sampled, 49% carry an image or video, 20% are part of a thread and 31% link out. The account's strongest tracked post pulled 65K interactions, about 2493x its own typical post. Recurring topics include #藤沢数希, #週刊金融日記, #金融日記.
- What is Kazuki Fujisawa's engagement rate on X?
- Kazuki Fujisawa (@kazu_fujisawa) has an engagement rate of 0.013%, based on the median interactions across 49 original posts from the last 30 days against 207,647 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.013%, Kazuki Fujisawa sits above the 10th percentile of the 205,152 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 @kazu_fujisawa have real engagement?
- Its engagement rate beats 27% of the tracked X accounts closest to it in follower count (20,444 accounts), which puts it in the middle of its size range 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 @kazu_fujisawa post?
- Most posts go out around 11:00 UTC, and Sunday is its busiest day, at roughly 3.97 posts per day across the measured window.