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)2.60-12.16-13.330.86-4.44-6.5234.9413.5515.16105.504.66.646.61-17.489.08133.838.268.63
24Q2 (19)2.9614.73-18.90.900.0-3.2330.77-12.6623.28100.860.163.178.0142.7857.99123.62-5.145.07
24Q1 (18)2.58-2.64-31.930.90-3.23-2.1735.232.5646.73100.702.932.085.6181.5534.86130.320.959.97
23Q4 (17)2.65-11.67-16.40.931.09-9.7134.3513.2219.7397.83-1.1110.553.09-49.01-27.46129.094.7814.32
23Q3 (16)3.00-17.81-11.240.92-1.08-8.9130.3421.5512.7998.931.29.426.0619.5371.19123.204.728.29
23Q2 (15)3.65-3.69-12.260.931.098.1424.963.9614.0897.76-0.9-7.575.0721.887.42117.65-0.72-4.3
23Q1 (14)3.7919.5611.470.92-10.6810.8424.01-16.31-10.2898.6511.48-10.374.16-2.35-35.4118.504.94-9.11
22Q4 (13)3.17-6.21-2.161.031.9810.7528.696.652.2588.49-2.12-9.824.2620.34-38.26112.92-0.75-5.35
22Q3 (12)3.38-18.752.741.0117.44-0.9826.9022.94-2.7890.41-14.521.653.54-25.0-42.25113.77-7.452.98
22Q2 (11)4.1622.3523.440.863.61-14.8521.88-18.24-18.87105.77-3.917.594.72-26.71-18.9122.93-5.7110.64
22Q1 (10)3.404.9425.930.83-10.75-12.6326.76-4.63-20.5110.0612.1614.926.44-6.6735.86130.389.294.57
21Q4 (9)3.24-1.5218.680.93-8.82-16.2228.061.41-15.8998.1310.3319.456.9012.5628.25119.307.988.33
21Q3 (8)3.29-2.3720.071.020.99-1.9227.672.6-16.7688.94-1.122.016.135.332.85110.48-0.57-3.49
21Q2 (7)3.3724.8120.361.016.329.7826.97-19.88-16.9989.95-6.08-9.295.8222.7845.14111.11-10.88-12.95
21Q1 (6)2.70-1.114.410.95-14.419.233.660.9-12.8495.7716.58-8.564.74-11.912.59124.6813.21-10.39
20Q4 (5)2.73-0.36-1.091.116.73-4.3133.360.361.0682.15-5.784.425.38-9.73-28.46110.13-3.795.73
20Q3 (4)2.74-2.140.01.0413.040.033.242.310.087.19-12.070.05.9648.630.0114.47-10.320.0
20Q2 (3)2.8018.640.00.925.750.032.49-15.870.099.16-5.320.04.01-4.750.0127.64-8.270.0
20Q1 (2)2.36-14.490.00.87-25.00.038.6216.990.0104.7333.130.04.21-44.020.0139.1433.580.0
19Q4 (1)2.760.00.01.160.00.033.010.00.078.670.00.07.520.00.0104.160.00.0
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)13.16-4.224.2917.2127.744.4485.14-14.533.78-45.53109.10-8.5
2022 (9)13.744.653.66-8.2726.56-4.4399.618.996.9423.49119.234.98
2021 (8)13.1351.093.994.1827.79-33.8891.39-4.145.6258.76113.57-15.14
2020 (7)8.69-17.863.83-15.2742.0321.8395.3418.03.544.12133.8319.59
2019 (6)10.5824.324.52-7.034.50-19.5480.807.553.40-62.47111.912.71
2018 (5)8.51-4.064.86-17.4942.884.275.1321.319.061.0108.9615.78
2017 (4)8.87-8.275.895.5641.159.0461.93-5.328.9793.7494.11-4.48
2016 (3)9.67-3.25.58-1.5937.743.2665.411.64.6320.5798.521.47
2015 (2)9.99-6.025.670.036.556.464.380.053.84-48.7397.096.45
2014 (1)10.630.855.67-0.8734.35-0.8464.350.857.49-42.3491.216.73

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