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ChipMOS TECHNOLOGIES has extended its recovery sharply this week, with the stock up 12% to TWD 128.5, and the lending market now telling a dramatically different story from a fortnight ago.
The borrow picture has undergone another step-change since the previous note. Availability, which had already eased from its tightest point of the year (153% on September 18) to around 445% by September 30, has now more than doubled again to over 1,000%. That is the loosest the lending pool has been in the entire 30-day window, meaning there are now roughly ten shares available to borrow for every one currently lent out. Cost to borrow has also continued its general retreat, running near 2.7% after peaking above 4% in late August. The short score has dropped to 31.3, its lowest reading in the 10-day history shown, down from 37.3 at the start of October. The picture is consistent: shorts who built positions through mid-September have continued to cover into the rally, and there is no visible evidence of fresh short interest being established at these higher prices.
The stock's 12% weekly gain puts it well clear of most peers. 6257 added 9.4% on the week and 3551 gained 6.7%, but 3264 and 2329 managed only 2.7% and 1.3% respectively. The broader peer group has been constructive, but ChipMOS is outpacing the cluster, the reverse of the underperformance flagged in the September note. On a one-month basis the stock is up 43%, a significant re-rating for a Taiwanese semiconductor back-end name.
The Street picture is stale. The most recent analyst consensus data dates to mid-August, two buy ratings, two outperform and one hold, with a mean price target of TWD 120. That target is now below the current price of TWD 128.5, suggesting the stock has moved through the consensus level on the back of the recovery. No recent analyst changes are in the data, so the formal Street view has not yet caught up with the price action.
Factor positioning is modestly supportive without being emphatic. The days-to-cover rank scores in the 88th percentile, reflecting relatively low short interest against trading volume. The dividend score ranks 83rd percentile, though the dividend history in the data runs only to 2022 and should be treated with caution. EPS surprise ranks in the 69th percentile, consistent with the Q2 beat noted in the recent company note. EV/EBITDA stands near 8.8x, a multiple that has been broadly stable over the past month while the price-to-book has expanded by roughly 0.9 turns over 30 days, reflecting the scale of the stock's re-rating.
One genuinely notable institutional development is Norges Bank Investment Management's move to 3.5% of shares, adding over 16 million shares as of end-June. Neuberger Berman Taiwan entered the register entirely in the same period, with nearly 12 million shares. Both are meaningful additions for a mid-cap Taiwanese name and suggest some international institutional demand was building before the rally.
The next earnings event is scheduled for November 12, now 35 days away. With availability loose, cost to borrow subdued, and the short score at a multi-week low, the setup into that print is less about near-term short squeeze pressure and more about whether the operational momentum that drove the Q2 beat is sustained in Q3 results.
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