玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.571.793.641.89-3.08-10.0160.34-1.37-3.6548.103.2410.98142.12-3.3134.0566.326.69-36.07
24Q2 (19)0.563.733.331.956.5612.07162.56-3.3-25.1946.59-6.56-10.75146.99-3.9435.2362.16-4.3-61.35
24Q1 (18)0.54-11.4850.01.83-15.2817.31168.1112.54-33.5449.8618.15-14.48153.0225.4917.8664.95-6.73-64.2
23Q4 (17)0.6110.9129.792.162.8623.43149.38-10.23-22.2542.20-2.63-18.74121.9415.0211.3869.64-32.87-48.25
23Q3 (16)0.5530.9510.02.1020.6938.16166.41-23.42-8.9543.34-16.97-27.74106.02-2.472.13103.74-35.49-25.33
23Q2 (15)0.4216.67-26.321.7411.547.41217.31-14.0936.7252.20-10.46-6.89108.70-16.288.91160.81-11.3639.58
23Q1 (14)0.36-23.4-30.771.56-10.86-10.34252.9531.6644.8558.3012.2711.37129.8318.5915.94181.4234.857.76
22Q4 (13)0.47-6.0-17.541.7515.13-9.33192.135.1219.3151.93-13.4210.3109.485.465.92134.58-3.1428.47
22Q3 (12)0.50-12.2816.281.52-6.17-5.0182.7714.99-13.3459.986.995.65103.814.01-18.85138.9420.6-0.58
22Q2 (11)0.579.6221.281.62-6.9-13.83158.95-8.98-18.0956.067.0916.0799.81-10.87-21.22115.210.18-0.4
22Q1 (10)0.52-8.7720.931.74-9.84-13.86174.638.44-17.7452.3511.1916.2111.988.34-22.31115.009.771.57
21Q4 (9)0.5732.56-6.561.9320.62-39.5161.04-23.657.8347.08-17.0764.9103.36-19.2-0.27104.76-25.0441.09
21Q3 (8)0.43-8.51-34.851.60-14.89-49.37210.918.6852.6956.7717.5497.05127.920.9737.68139.7520.8288.77
21Q2 (7)0.479.3-27.691.88-6.93-22.31194.06-8.5938.8648.307.2128.53126.69-12.142.99115.672.1630.36
21Q1 (6)0.43-29.5130.32.02-36.6859.06212.3042.16-23.3945.0557.79-36.96144.1339.07-15.34113.2252.48-36.52
20Q4 (5)0.61-7.5819.613.190.9522.22149.348.12-16.4828.55-0.9-17.98103.6411.553.874.250.3-34.74
20Q3 (4)0.661.540.03.1630.580.0138.13-1.160.028.81-23.340.092.914.860.074.03-16.570.0
20Q2 (3)0.6596.970.02.4290.550.0139.75-49.570.037.58-47.410.088.60-47.960.088.73-50.250.0
20Q1 (2)0.33-35.290.01.27-51.340.0277.1354.990.071.46105.290.0170.2470.50.0178.3556.750.0
19Q4 (1)0.510.00.02.610.00.0178.810.00.034.810.00.099.850.00.0113.780.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)1.82-7.147.35-4.79200.427.6849.675.03131.6419.85118.44-4.16
2022 (9)1.961.037.72-7.21186.13-1.1747.297.82109.84-13.05123.5816.74
2021 (8)1.94-6.288.32-16.72188.336.9643.8620.07126.333.26105.8617.28
2020 (7)2.0715.09.996.73176.07-13.2636.53-6.33122.345.590.26-28.38
2019 (6)1.80-17.059.36-8.5202.9920.6339.009.27115.9615.43126.0321.77
2018 (5)2.1727.6510.2314.94168.27-21.7235.69-13.01100.46-14.9103.50-24.97
2017 (4)1.70314.638.90137.33214.96-76.0241.03-57.86118.05-63.0137.94-79.56
2016 (3)0.4103.750896.54097.360319.070674.830

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