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)0.835.06-6.741.0918.4826.74109.05-5.336.2883.56-15.61-21.1845.18-16.672.17147.43-7.86-10.32
24Q2 (19)0.79-5.95-3.660.920.019.48115.196.084.099.02-0.08-16.5954.22-9.0612.42160.008.05-11.72
24Q1 (18)0.84-12.521.740.92-8.035.29108.5914.55-17.4399.108.53-25.4959.6223.036.2148.087.59-28.94
23Q4 (17)0.967.8720.01.0016.2838.8994.80-7.61-16.691.31-13.87-27.8848.469.59-16.56137.64-16.28-24.46
23Q3 (16)0.898.549.880.8611.6917.81102.61-7.36-9.01106.01-10.71-14.7644.22-8.31-28.49164.40-9.29-6.22
23Q2 (15)0.8218.842.50.7713.245.48110.76-15.78-2.19118.72-10.74-4.2348.23-14.09-29.14181.24-13.027.14
23Q1 (14)0.69-13.75-28.870.68-5.56-26.09131.5115.6939.71133.015.0634.2656.14-3.34-4.56208.3814.3755.08
22Q4 (13)0.80-1.23-13.980.72-1.37-20.88113.670.816.5126.601.7926.158.08-6.084.55182.203.9427.93
22Q3 (12)0.811.25-14.740.730.0-17.98112.77-0.4218.1124.370.3222.0661.84-9.145.84175.303.6326.15
22Q2 (11)0.80-17.53-20.790.73-20.65-21.51113.2420.325.91123.9725.1326.4568.0615.719.53169.1625.8934.41
22Q1 (10)0.974.36.590.921.1-3.1694.13-3.53-6.1599.07-1.323.1758.825.89-7.41134.37-5.651.17
21Q4 (9)0.93-2.11-8.820.912.25-16.5197.572.189.88100.40-1.4619.8155.55-4.935.89142.422.4918.55
21Q3 (8)0.95-5.94-9.520.89-4.3-8.2595.496.179.85101.893.938.5658.43-5.9712.5138.9610.427.85
21Q2 (7)1.0110.99-3.810.93-2.115.6889.94-10.334.0298.042.09-5.6562.14-2.193.15125.85-5.24-3.29
21Q1 (6)0.91-10.7824.660.95-12.8437.68100.3012.95-19.6896.0314.59-27.663.5321.1-22.09132.8110.55-24.52
20Q4 (5)1.02-2.86-2.861.0912.373.8188.802.152.1283.80-10.72-3.2252.461.08.23120.14-6.76-3.95
20Q3 (4)1.050.00.00.9710.230.086.930.540.093.86-9.670.051.94-13.780.0128.85-0.980.0
20Q2 (3)1.0543.840.00.8827.540.086.46-30.760.0103.91-21.650.060.24-26.120.0130.13-26.050.0
20Q1 (2)0.73-30.480.00.69-34.290.0124.8743.590.0132.6353.170.081.5468.230.0175.9640.680.0
19Q4 (1)1.050.00.01.050.00.086.960.00.086.590.00.048.470.00.0125.080.00.0
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)3.04-13.883.16-1.56119.9115.84115.441.4160.053.18175.3010.15
2022 (9)3.53-4.853.21-12.3103.515.16113.8414.1658.20-9.32159.1518.8
2021 (8)3.719.763.66-0.8198.43-8.8299.720.864.18-3.02133.96-4.79
2020 (7)3.389.393.698.21107.95-8.5298.93-7.4666.1810.74140.70-14.8
2019 (6)3.09-7.213.41-16.63118.007.73106.9119.6559.7610.65165.1413.99
2018 (5)3.3312.124.09-22.98109.53-10.9789.3529.8954.011.79144.874.4
2017 (4)2.972.415.31-10.76123.03-2.2868.7912.0753.0614.6138.76-1.57
2016 (3)2.90-2.035.9521.43125.902.261.38-17.5646.30-9.76140.98-3.66
2015 (2)2.96-12.944.90-9.59123.1914.774.4510.5451.3114.89146.3312.48
2014 (1)3.40-0.875.424.84107.400.967.35-4.5144.6610.3130.10-4.67

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