周先知 engagement report
@xianzhizhou - 94K followers on X
Measured over 51 original posts from a 30-day window, last computed on September 16, 2026.
Engagement
A typical post picks up 134 interactions against 94K followers, an engagement rate of 0.139%. Measured over 51 original posts, its engagement rate beats 57% 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 31K times each, and 0.435% of those impressions turn into an interaction. That is about 32.6% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.8 posts a day over the last 30 days, with activity on roughly 70% of days. Most posts go out around 07:00 UTC, and Tuesday is the busiest day of the week. The account's strongest tracked post pulled 6.1K interactions, about 46x its own typical post.
Measured over 51 original posts from a 30-day window, last computed on September 16, 2026.
Compared with accounts its own size
周先知's engagement rate beats 57% of the tracked X accounts closest to it in follower count (20,444 accounts, accounts of similar size (decile 7 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 21% 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 0.139%, 周先知 sits above the 25th percentile of the 205,881 accounts in this comparison. That places it in the below the median band, which runs 0.024% to 0.143%.
Show the percentile table
| Percentile | Engagement rate |
|---|---|
| 10th percentile | 0.004% |
| 25th percentile | 0.024% |
| 50th percentile | 0.143% |
| 75th percentile | 0.68% |
| 90th percentile | 2.56% |
| 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 07:00 UTC, and Tuesday 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 | 2% of posts | +111% | +108% to +115% | 34K |
| Outbound link | 0% of posts | -41% | -42% to -40% | 32K |
| Typical length | - | +15% | +14% to +16% | 32K |
- 2% 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.
- 0% 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 416 characters, which falls in the over 280 characters band. Across the catalog, posts over 280 characters run 15% above 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 14, 202646x their median
比亚迪员工反了。 中国最大新能源车企比亚迪取消了利润奖。相当于砍掉年终奖。 员工掀桌了。 这两天，认证为比亚迪在职员工的账号，集体在职场社区爆料。一个比一个猛。 不锈钢换成碳素钢。便宜一半。喷漆盖住。售后再赚消费者一笔。 所有物料全部免检。无论内外部供应商。进料质检部门IQC全部解散。 供应商被压到没利润。出了质量问题，损失太大不敢报，硬放行。 项目赶交期，三天通线，三天过完三级审核，全线绿灯。有审核员说：我发不通过的报告，上面催着我改。什么认证什么审核，都是屁话。 比亚迪说员工是最大的财富。砍了他们的钱，他们把底裤扒了。 有人说得妙：也许是公关部门的经费也被砍了。删帖不及时，让你看到了。 车不是手机。碳素钢顶着不锈钢的名字跑在路上，出事不是换个零件的问题。 这个事情以什么形式收场？
- Aug 24, 202624x their median
实测了下， 能上推特的国人认知确实高。 宇树蒸发了2000亿。上市第一天涨629%。978万人打新。一签赚47万。全网喊"中国人形机器人第一股"。 五天后。1100跌到603。 推特这边第一天就没人信。20个发明专利撑610亿，研发费用率三年从31%降到8%，74%的机器人卖给高校当教具。 你刷两条推文就知道怎么回事。 甚至说，你在推特上看到这些，大概觉得是常识。 但978万个打新的散户不这么觉得。他们看到的是春晚上翻跟头的机器人，是"90后首富换人了"，是公众号里"中国机器人崛起"几个大字。 推特上早就把招股书翻了个底朝天。优必选2790个专利对宇树262个，研发投入连乐高都不如。结论三个字：伪需求。 这些分析，墙内一条都看不到。但凡能翻过来看一眼，978万人里一半不会打那个申购。 所以2000亿蒸发了。 信息差最后都会变成账户差。每次都是。
- Sep 9, 202610x their median
垃圾女无疑。 摸臀事件女主角的抖音翻出来了。身经百战。 2月，跟顺风车司机干。6月，跟宿管阿姨干。9月，跟4岁幼童干。 同一个人。 因为摸臀事件女主角的抖音账号被翻出来了。七个月三场。每一场都闹上了网。 这次对面是一个4岁的孩子。她使出了三套组合拳。 第一波：呼吸碱中毒，打120送医院抢救。 第二波：焦虑失眠，挂心理科，没挂到号当场痛哭。 第三波：精神受到伤害，要求对方赔偿精神损失费。 行云流水。 可她忘了，对面是个4岁的孩子。是个人都不会这么纠缠。 会哭会闹会上舆论。成功过两次。这次翻车了。 三件事串起来看。寻衅滋事不过分吧。
- Sep 14, 20268.8x their median
两本护照吃两头。早该查了。 915之后，上海浦东机场查严了。 一个拿了瑞典国籍的华人，用中国护照买了张直飞斯德哥尔摩的机票。航空公司问：中国护照上没瑞典签证，你怎么入境？ 掏出瑞典身份证。以前管用。这次不认。 掏出瑞典护照。航空公司说：两本护照？要不要叫边检来看看？ 最后废了直飞票，用中国护照买了张去新加坡的，再从新加坡用瑞典护照飞回家。 中国国籍法写得很清楚：取得外国国籍，中国国籍自动丧失。 这条法从来没变过。以前只是没人认真查。 怎么操作的？拿了外国籍，中国护照不注销。回国走中国人通道。出国用外国护照免签。两边好处全占。 选了外国的福利，中国的便利又不想放。 现在开始查了。早就该查。
- Jul 27, 20268.7x their median
估计很多人没看懂？ 一条消息。中国有家国资背景的公司量产了自研DUV光刻机。今年5台。明年20台。 接着，ASML今天盘中跌6%触发停牌。 5台。ASML去年交付了131台。 就这5台，闪迪跌了13%，海力士跌8.6%，美光跌6.6%。半导体板块一根大阴线拉下来，盘前还在高开的。 很多人看不懂。5台能干嘛？ 差一个数量级都不止，性能还落后，零件还得进口。这不就是个玩具吗？ 不是。 市场从来不为「现在」定价。市场为「可能性」定价。 ASML值那个钱，不是因为它一年能卖131台机器。是因为全世界只有它能造。这个「只有」，就是它估值里最贵的那个。 0和1之间，隔着整个太平洋。1和100之间，隔着的只是时间和钱。后面这两样东西，你觉得中国缺吗。 DeepSeek出来那天市场也慌过一轮。当时所有人也说差得远，是玩具，不成气候。半年过去了，谁还敢说这话。 同一个剧本。同一种恐慌。同一批人在犯同一个错误：把「差距」当成「安全」。 差距不是安全。方向才是。 方向一旦确认，差距只是倒计时。 存储股今天砸得比设备股还狠，这里面有个很多人没看到的东西。过去两年存储的高毛利，吃的不只是AI需求爆发。 还有一口暗饭：中国扩不了产。长鑫买不到ASML的机器，产能天花板是锁死的，全球DRAM供给就是紧的，定价权就在三星和海力士手上。 今天这个锁，有人开始配钥匙了。 短期改变不了什么。5台机器进不了任何一家的财务模型。该赚的钱今年还是会赚。 但三五年后的估值模型得重写。存储这两年被当成长股炒，给的是成长的价。今天市场在提醒所有人，它骨子里是周期股。周期股最怕的永远是一件事：有人学会造了。 我手里有存储相关的仓位。今天一股没动。AI需求撑着的逻辑没变，我就不动。 但我脑子里有一条线，以前写着「中国先进制程天花板是物理性的」。今天把「物理性的」划掉了，改成「工程性的」。 工程问题，这个国家从来没怂过。
- Sep 9, 20268.1x their median
江西这件事，真的活该。 全家低保一个月2000。她攒了几千块飞香港看演唱会。 而且出发前就告诉了，去了就没低保。她还是去了。 江西赣州，低保家庭中专女生，打工攒了几千块飞香港看演唱会。出发前扶贫干部和家人反复劝，明确告知出境高消费会触发低保复核。 回来，全家低保进入复核。家人说天塌了。 全家低保一个月2000。 钱是自己挣的没错。但反过来问一句：能自己挣来飞香港看演唱会的钱，凭什么还需要低保？ 演唱会是追星消费链的最后一步。粉丝群、超话、周边、签售、线下。能走到飞香港这一步的，前面每一步都花过钱。 规则提前说了。后果提前告知了。她选了演唱会。 这个时候后悔还有用么？
- Sep 15, 20266.7x their median
已屏蔽张国伟。 替体制说话的人来了。 中国跳高运动员张国伟连发两条微博。 "别断了很多贫穷孩子的上升途径。" "国内是国家培养。如果自己花钱练体育我肯定不会练的。" 矛头直指刘翔。意思很清楚：国家养的你，拿了买断费就别闹。 我就不理解了。 刘翔，12秒88世界纪录。张国伟，赛场成绩平平，退役后靠搞笑视频博流量。一个网红运动员教奥运冠军感恩，画面确实魔幻。 国家培养是事实。但11年不给安排岗位。49万买断奥运冠军。退役运动员靠跳舞和拍段子活着。 这叫培养还是用完就扔？ 运动员拿青春和伤病换了金牌。金牌给国家带来荣誉、收视率、广告收入。刘翔的耐克分成被谁拿走了？ 这叫交易。不叫恩情。有人说得透：这种话的本质，是把运动员当国家财产。培养了你，你就该闭嘴。 滑雪奥运冠军谷爱凌为什么不用闭嘴？因为她从来没进过这个体系。 已屏蔽张国伟。
- Sep 2, 20266.6x their median
孙宇晨赢了。 全网群嘲。一封信反转。替两亿中国男性开口了。 孙宇晨，波场TRON创始人，币圈争议最大的90后中国人。 给前环球时报总编胡锡进写了封公开信。不聊币不聊钱。聊彩礼。聊两亿中国男人走不通的那条路。 一九九零年出生两千三百万。去年七百九十二万。建国以来最少。 文件写在纸上，彩礼谈在饭桌上。中间隔着现实的规矩。 第一篇公开信全网群嘲。第二篇直接逆转。 伐贼檄文。讲到大动脉了。战国纵横家。星星之火可以燎原。 这是评论区的原话。 接着热搜被撤了。词条封了。全网压热度，不敢讨论。 能让舆论转向的内容被封，说明戳到的不是情绪。是结构。 不管你怎么看孙宇晨。 他永远知道两亿人心里堵着什么，然后替他们说出来。 每次都踩在情绪的正中间。
- Jul 30, 20264.9x their median
这届美股新人这么菜么？说这次美股下跌是历史少有？ 坦白讲，这连热身都算不上。 去年关税战标普一天跌 6%，英伟达直接腰斩。22年标普跌25%。20年3月一个月跌34%。 这些我全在场。你们说的历史少有，我一次都没缺席过。 过去一年四次调整，去年11月、今年2到4月、6月前两周、现在。每次跌完都创了新高。 满屏喊崩盘的，要么杠杆拉满跌3%就爆了，要么入市不到两年。 现在到九月，逐步建仓。九月修复。年底丰收。 我可能错。推不删，来打脸。
- Aug 12, 20264.5x their median
史上第一次。 几十万韩国散户被强平之后。今天新加坡国家队进场了。 淡马锡，新加坡财政部全资持有，亚洲最大主权财富基金之一，管2.8万亿人民币。从来没买过韩国股票。今天是第一次。 买的是三星电子和SK海力士。全球存储芯片第一和第二。没委托外部基金，内部团队直接操盘。还找韩国政府沟通了入场时机。 淡马锡内部判断，在整个AI价值链里，存储半导体被低估得最严重。 三星和海力士从去年低点涨了880%。涨完880%，淡马锡说还低估。 消息一出，三星涨8%，海力士涨8%，韩国综合指数涨5%。 推特上全在笑。 FTX亏了2.75亿美元。十年年化7.1%，跑不赢标普。还有人翻出来说在重复2020年的错误。 最新持仓报告：英伟达、台积电、全球唯一EUV光刻机供应商ASML。一级市场投了OpenAI和Anthropic。 今年Q2集中加仓半导体、数据中心、云和AI模型。五年内AI占比从6%加到15%。 FTX确实亏了2.75亿美元。 但这是一家管着2.8万亿人民币的基金。 你嘲笑它之前想一下。 它从来不碰韩国。为什么偏偏今天决定买入？
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.
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Reading these numbers
A typical post picks up 134 interactions against 94K followers, an engagement rate of 0.139%. Measured over 51 original posts, its engagement rate beats 57% 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 31K times each, and 0.435% of those impressions turn into an interaction. That is about 32.6% of the follower count, which is the gap between an audience on paper and an audience in a timeline. Posting runs at about 1.8 posts a day over the last 30 days, with activity on roughly 70% of days. Most posts go out around 07:00 UTC, and Tuesday is the busiest day of the week. The account's strongest tracked post pulled 6.1K interactions, about 46x its own typical post.
- What is 周先知's engagement rate on X?
- 周先知 (@xianzhizhou) has an engagement rate of 0.139%, based on the median interactions across 51 original posts from the last 30 days against 94,353 followers. Replies, reposts and quote-posts of other people are excluded from that sample.
- Is that a good engagement rate?
- At 0.139%, 周先知 sits above the 25th percentile of the 205,881 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 @xianzhizhou have real engagement?
- Its engagement rate beats 57% 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 @xianzhizhou post?
- Most posts go out around 07:00 UTC, and Tuesday is its busiest day, at roughly 1.8 posts per day across the measured window.