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
  • 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
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
21Q4 (20)0.7025.012.90.4220.010.53130.55-19.61-11.27215.10-16.89-9.7841.40-12.92-8.51304.26-18.58-10.59
21Q3 (19)0.56-11.1119.150.35-12.520.69162.4011.74-16.1258.8115.14-17.6847.5412.49-24.2373.6713.97-16.07
21Q2 (18)0.6318.8750.00.4021.2137.93145.34-14.88-32.99224.78-19.5-28.1342.26-22.52-41.73327.86-17.09-28.28
21Q1 (17)0.53-14.5251.430.33-13.1637.5170.7516.05-34.06279.2417.12-25.1354.5420.53-39.11395.4616.21-27.09
20Q4 (16)0.6231.916.90.3831.03-19.15147.13-23.99-6.67238.42-24.1623.6745.25-27.8512.51340.31-23.579.7
20Q3 (15)0.4711.9-6.00.290.0-21.62193.56-10.766.17314.390.5229.3962.72-13.5345.39445.23-2.616.51
20Q2 (14)0.4220.0-12.50.2920.83-21.62216.90-16.2415.04312.76-16.1525.4672.53-19.0263.39457.13-15.7116.19
20Q1 (13)0.35-39.66-20.450.24-48.94-22.58258.9564.2625.94372.9893.4726.0389.57122.758.84542.3674.8421.83
19Q4 (12)0.5816.026.090.4727.0314.63157.65-13.53-19.72192.78-20.66-12.9540.22-6.77-7.48310.21-18.82-17.14
19Q3 (11)0.504.1719.050.370.0-11.9182.31-3.3-16.83242.97-2.5411.4943.14-2.821.99382.14-2.87-3.21
19Q2 (10)0.489.0929.730.3719.35-5.13188.54-8.3-23.95249.30-15.767.2144.39-21.282.75393.45-11.62-10.01
19Q1 (9)0.44-4.3525.710.31-24.39-16.22205.614.7-21.47295.9533.6319.2356.3929.7221.79445.1718.91-4.01
18Q4 (8)0.469.5200.41-2.380196.38-10.410221.471.62043.472.770374.38-5.180
18Q3 (7)0.4213.5100.427.690219.19-11.580217.93-6.28042.30-2.080394.82-9.70
18Q2 (6)0.375.7100.395.410247.90-5.320232.53-6.32043.20-6.70437.23-5.720
18Q1 (5)0.35000.3700261.8400248.210046.3000463.7500
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
2021 (10)2.4329.951.5219.69149.92-23.15239.75-16.8948.31-22.68341.37-18.93
2020 (9)1.87-10.11.27-19.62195.0911.0288.4724.6962.4824.19421.0818.02
2019 (8)2.0816.851.580.0175.76-14.05231.350.350.3110.72356.80-8.44
2018 (7)1.7848.331.5818.8204.50-32.54230.65-16.0745.44-20.14389.71-25.21
2017 (6)1.20-1.641.33-5.67303.150.95274.815.9756.900.32521.053.6
2016 (5)1.225.171.41-9.03300.29-4.41259.3410.3756.7228.01502.92-0.37
2015 (4)1.16-11.451.55-13.41314.1412.52234.9815.0844.313.92504.8014.54
2014 (3)1.31-21.561.79-13.94279.1827.94204.1916.1142.64-21.14440.7329.63
2013 (2)1.67-8.742.08-16.13218.219.61175.8619.2754.07-3.14340.0016.96
2012 (1)1.8302.480199.070147.45055.820290.700

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