A token suddenly dominating crypto Twitter, whales dumping ETH, price spiking while network usage flatlines — you get the gist. We call these anomalies, and they often lead to trading opportunities.

This week we lead with the setups worth acting on, give you the market backdrop they sit against, and grade how last week’s calls actually played out. Let’s dig in!

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This Week in Brief

• Zcash, $ZEC: the only asset that kept positive sentiment all week, up 53% to an eight-year high — and it topped two days before its ETF actually launched.
• Pump.fun, $PUMP: the most negative sentiment reading of the week landed at the start of a +69% move, then flipped positive after the gain.
• Ethena, $ENA: +95% in five days on sentiment of +7.26, and volume peaked two days before price did.

Market Backdrop

The market broke out, hard. Bitcoin went from about $64.7K on August 18 to $69.3K on August 19, $73.0K on August 20, and $78.3K on August 21, finishing the window near $78.5K. That is roughly +21% in eight days, its highest level since June. Ether did more: $1,916 to $2,251 in a single day, a 17.5% move, then on to about $2,463 by August 26 — up roughly 28%.

Three things arrived together. The U.S. Treasury said it would at least double its buybacks of long-dated government debt, from $2B to $4B or more per operation starting September 9. That pushed long-term bond yields down, which frees up money for risk assets. President Trump then pressed Congress to pass the CLARITY Act. And CoinShares recorded roughly $2.2B flowing into digital-asset funds in the week to August 20, the largest weekly total of 2026, with about $1.6B of it going into Bitcoin products.

What made the move violent was positioning. We flagged last week that funding had hit -53 on August 15, meaning the crowd was heavily bet against the price. Those bets got destroyed: about $1.44B of short positions were force-closed on August 19 alone, and that forced buying fed on itself.

Now the same signal says the opposite. ‘hyperliquid_avg_funding_rate’ fired 10 times and reached +46.91 on August 21, against a trigger level of +40. Positive funding means the people betting on the price are paying the people betting against it, so the crowd has flipped from heavily short to heavily long in one week.

Large ETH holders used the rally to sell. ‘eth_whale_dump’ fired 10 times, peaking at about $40.99M on August 22. The four-week sequence now reads five events with a largest of roughly $46.6M, five with a largest of about $18.7M, one at $7.55M, and now ten with a largest near $41M.

This Week’s Trading Setups

1. Zcash ($ZEC)

Signal: social_dominance_spike · Lean: Long bias, stretched

What’s anomalous. ‘social_dominance_spike’ fired three times, peaking at 6.55 on August 22 at 10:00 UTC. Sentiment read +6.90 on the spike day and is still positive at +2.79 — the only asset we selected that held a positive reading. Everything else faded to neutral or negative. Market cap is about $13.22B.

Price went from $508.73 on August 18 to $852.21 on August 23, up about 67%, then eased to $778.53 by August 26. That is an eight-year high, and it clears the June selloff caused by a patched flaw in one of Zcash’s shielded pools.

Volume confirmed it. Against a baseline of $190M to $380M a day, ZEC traded $1.75B on August 21 and $2.57B on August 22 — roughly nine times normal — and it is still running near $1.24B. Volume has stayed elevated while price consolidated, which is the healthier version of a pullback.

Why. Grayscale spent the week converting its Zcash Trust into a spot ETF. It filed its fifth amended registration on August 18, published a research note on August 20 arguing that privacy matters more in an era of AI-driven surveillance, and the fund began trading on NYSE Arca under ZCSH on August 25 — the first U.S. ETF tracking ZEC directly. It can hold up to 393,000 ZEC, more than $260M, with Coinbase as custodian. A separate DCG subsidiary was reported to be discussing the purchase of roughly 200,000 ZEC.

What to watch. Price peaked on August 23 and the ETF started trading on August 25. It fell on the launch day. That sequence is worth analyzing: the thing everyone was buying arrived, and buyers were already gone. Two other cautions. The 7-day relative strength reading hit 88, deep into overbought. And futures volume ran about $9.5B against just over $1B of spot, so most of this was leveraged betting rather than people buying the coin.

More than 30% of ZEC now sits in shielded addresses, according to one analyst estimate. That is worth reading carefully: shielding does not lock the coins, and holders can move them to an exchange at any time. What it does is make the balances unobservable, so a large holder preparing to sell is harder to see coming here than on a transparent chain.

The takeaway: The news arrived after the trade did. The move seems overextended, we predict a pullback.

Trader tip: Try to avoid buying tops, right now ZEC is at its all time high and although things look relatively healthy, the probability that this move continues is under 40%.

2. Pump.fun ($PUMP)

Signal: social_dominance_spike · Lean: Long bias

What’s anomalous. ‘social_dominance_spike’ fired four times, peaking at 3.49 on August 20 at 21:00 UTC. Sentiment read -1.78 on the spike day, the most negative of any asset we selected, and has since flipped to +0.27. Market cap is about $1.84B.

The timing is the setup. That most-negative reading landed on August 20, when PUMP traded around $0.00385. By August 23 it was $0.00523 — up about 69% from its August 18 level. The crowd was at its gloomiest immediately before the biggest gain, then turned positive after the move was over.

Volume backed it. Against $51M to $123M a day, PUMP traded $858M on August 22, about seven times normal, and is still near $293M.

Why. Pump.fun routes 50% of its platform fees into automatic open-market purchases of PUMP, which are then burned. That is a mechanical bid funded by revenue, and revenue is climbing: the protocol generated $11.52M over seven days, which DeFiLlama ranked fourth among all crypto protocols. Daily buybacks topped $1M for three straight days into August 24, against a 90-day average near $520K. Cumulatively 158.17B PUMP have been bought and burned, cutting total supply by 15.81%.

What to watch. Two real risks. Team and investor tokens keep vesting every month, so fresh supply arrives on a schedule regardless of how well the buybacks work.

The takeaway: The move looks parabolic, which suggests it is overextended given the small relative revenue and buybacks. Speculators are driving this action. We expect a pullback.

Trader tip: Just like the last one, try not to buy tops unless you have a VERY good reason.

3. Ethena ($ENA)

Signal: social_dominance_spike · Lean: Mean-reversion

What’s anomalous. ‘social_dominance_spike’ fired three times, peaking at 8.52 on August 21 at 21:00 UTC. Sentiment read +7.26 on the spike day, the highest positive reading of the week, and has already collapsed to -0.14. That is the largest sentiment reversal in this week’s data. Market cap is about $1.42B.

Price ran from $0.0827 on August 18 to $0.1615 on August 23, up about 95%, and has since fallen to $0.1375 — down roughly 15% from the high.

Notably, volume peaked at $1.34B on August 21, about 20 times its $43M to $83M baseline. Price peaked on August 23. Volume topping two days before price is the ordinary signature of a move running out of buyers.

Why. Two things landed together around August 19 and 20. FalconX and Ethena announced a $1B secured facility, under which the assets backing Ethena’s synthetic dollar can fund overcollateralized institutional loans, with Ethena holding first claim on the collateral. Then Arthur Hayes, the BitMEX co-founder, publicly called ENA a “5 bagger,” arguing that a stronger Bitcoin would revive Ethena’s yields.

One caveat on the headline number. The $1B describes the facility’s total capacity, not money actually lent. Interest rates, eligible collateral, borrower requirements, and the amount drawn on day one have not been disclosed.

What to watch. The 4-hour relative strength reading reached about 94, and momentum that stretched usually reverts. ENA spent June through mid-August between $0.07 and $0.10, and there is very little trading history between there and here to make a case that this move will continue or be sustained.

The takeaway: peak sentiment and peak volume both arrived before peak price, we think this move is exhausted.

Trader tip: treat a sentiment reading above +7 as a warning, not a green light — Ethena’s hit +7.26 and is already at -0.14.

Last Week’s Scorecard

Scorecard read: One win, one partial, two misses, and the misses share a cause. We published two short-bias calls into what became the largest weekly rally of 2026, and a market-wide liquidity event does not care about a single asset’s positioning.

The unfortunate thing is that we wrote the warning ourselves, but didn't put enough weight on some facts. Last week’s Market Backdrop said funding had hit -53 and the crowd was heavily short — which is precisely the condition that increases the likelihood of a squeeze. The lesson is that when our own funding signal shows crowded bearish positioning, single-asset short setups need to wait or be sized smaller.

What Else Triggered

The most abnormal dormant-supply event was Ondo, $ONDO, and the timing is the interesting part. ‘old_coins_moved’ recorded 61.95 times its trigger level, the highest multiple of the week by a wide margin: about 7.9% of circulating supply moved on August 21, untouched for an average of 621 days. ONDO’s price peaked that same day at $0.3974 and has drifted to $0.3635 since. Old coins moving on the exact day of a local top is the pattern worth watching.

Pepe, $PEPE posted the largest “ocm” reading of the week.** ‘old_coins_moved’ recorded only 1.89 times its trigger level for PEPE: about 8.8% of circulating supply moved, untouched for an average of just 20 days. Compare that with ONDO’s 621 days. A similar share of supply moved, but PEPE’s had barely been sitting still.

‘project_in_trends’ caught only the majors. Nine observations, all Bitcoin (seven, peaking at 367.21) or Ethereum (two, peaking at 320.71). In the biggest rally of the year, no altcoin made the top ten most-discussed words, so no interesting signals available here.

No-shows this week: two of the nine tracked anomalies produced no eligible events — ‘social_price_correlation’ and ‘social_dev_score’. Correlation has now been silent across all seven assets it covers for five straight weeks.

Worth Watching

• Zcash, $ZEC: whether spot volume holds above $1B.
• Pump.fun, $PUMP: whether daily buybacks stay above $1M.
• Ethena, $ENA: whether volume returns.
• Ondo, $ONDO: whether or not price takes the hit from the old moved coins.

Full Trigger Table

Between 2026-08-19 06:00 and 2026-08-26 01:00 UTC, 290 trigger observations fired across 7 of the 9 tracked anomaly types, spanning 166 signal-and-asset entries.

Market-cap filter: latest_marketcap_usd > $50M.

Anomalies We Track

• Network Activity & Price Divergence Anomaly — detects price surges that are not accompanied by a corresponding rise in network activity (real growth). Triggered only if price growth exceeds 3% on the same day, ensuring the alert is relevant for significant bullish moves.
• Project in Trends Anomaly — detects when a specific crypto token gains significant traction in online discussions, placing it among the top 10 most-mentioned words in crypto-related conversations.
• Old Coins Moved Anomaly — detects unusually large amount of long-dormant supply moving, measured against each asset’s own recent history. Triggers above 1.5 times that baseline. A trigger shows old coins moved, not that anyone sold them.
• Large USDC-USDT Mint Anomaly — detects daily combined $1 billion or larger minting events of USDC and USDT stablecoins on the Ethereum blockchain.
• Social Price Correlation Anomaly — detects whether social sentiment and price are behaving in an unusually aligned or unusually decoupled way. Currently runs on 1h X.com social data for bitcoin, ethereum, solana, dogecoin, xrp, trx, and cardano.
• Social Dominance Spike Anomaly — detects abnormal spikes in social dominance. Alerts when values exceed a statistical significance threshold of 3 standard deviations over 30 days.
• Social-Dev Score Anomaly — detects unusual activity compared to the recent 30-day history of social media metrics and development activity. The score is weighted 60/40 for social and dev activity.
• Hyperliquid Average Funding Rates Anomaly — detects when rates exceed predefined high/low thresholds of +40% and -20%, measured hourly.
• ETH Whale Dump Anomaly — detects potential large-scale ETH dumps by monitoring whale wallet behaviors. Uses a 500 ETH threshold and a 30-day holding period to distinguish normal trading from potential dump scenarios.

Thanks for reading this week’s Santiment Anomaly Report. For real-time anomaly alerts and the underlying data, head to Sanbase — and since the report is becoming its own newsletter soon, join the mailing list to get it straight to your inbox.

See you next week.

Anomalously yours,
Santiment

Disclaimer: This report is for reference purposes only and is not intended as financial or investment advice. Always DYOR.

Disclaimer: Parts of this report were generated with AI and then quality checked and copy-edited further by humans.