Bitcoin (BTC) returned to base on Aug. 4 as higher levels gave way to a battle for the 200-week moving average (MA).BTC/USD 1-hour candle chart (Bitstamp). Source: TradingViewBattle for classic Bitcoin price trendline rages Data from Cointelegraph Markets Pro and TradingView showed BTC/USD falling to repeatedly test the key bear market trendline as support.The day’s Wall Street open provided only a brief change in the mood, with the pair spiking above $23,000 before continuing previous behavior. The atmosphere was unchanged by news that investment giant BlackRock had partnered with major exchange Coinbase to provide crypto trading to clients.Instead, the familiar status quo involving the 200-week MA just above $22,800 entered another chapter, with bulls and bears still tussling for control. On-chain analytics resource Material Indicators noted that one class of whales active on the largest global exchange, Binance, was in a more risk-off mood on the day.“The purple class of whales have historically had the most influence over Bitcoin price action,” it wrote on Twitter alongside a chart of data from the Binance order book. “Interesting to see them dumping into other classes pumping.”BTC/USD buy and sell levels (Binance). Source: Material Indicators/ TwitterSupport was thin near the spot price, the chart showed, with more substantial bid interest only at around $22,400 in the event of a breakdown. Resistance, meanwhile, was building at $23,400.“Lots of chop here on lower time frames but with this local sweep of the highs we finally look ready to get that flush down into downside targets,” popular trader Credible Crypto meanwhile added in his latest forecast on Aug. 3. “Looking for a higher low and a reversal to continue upwards to 25k+ $BTC.”Buying data hints of upcoming BTC supply shockOn the topic of buyer interest, on-chain data additionally showed a marked increase in the portion of the overall BTC turning illiquid.Related: ‘Insane evidence’ Bitcoin has capitulated in past 2 months — analysisOriginally created by William Clemente, lead insights analyst at Blockware and statistician Willy Woo, the Illiquid Supply Shock (ISS) ratio metric saw what popular commentator Game of Trades called a “massive spike” in July.ISSR increases when BTC is primarily being taken out of circulation, which in turn increases the likelihood of a price surge based on demand outweighing supply.“The HODLers have gone on a buying spree unlike anything seen since 2018,” Game of Trades commented on the day, uploading SSR data hosted by on-chain analytics firm Glassnode.Bitcoin Illiquid Supply Shock ratio annotated chart. Source: Games of Trades/ TwitterGlassnode itself meanwhile noted that hodlers en masse were still selling more BTC at a loss than a profit, but that demand was likewise apt to be increasing currently.“This is typical of bear markets, and a reversal is often associated with a pick up in demand,” it commented on a chart showing realized profits and losses per day.Bitcoin realized profit and loss annotated chart. Source: Glassnode/ TwitterThe views and opinions expressed here are solely those of the author and do not necessarily reflect the views of Cointelegraph.com. Every investment and trading move involves risk, you should conduct your own research when making a decision.